US Bridges

FAS 3305/SW 100 RD over Clatonia Creek

PoorPosted for load

Gage County, Nebraska · JCT US77/N41 6W .6S · Structure no. C003450725

Built
1935
90 years old
Condition
Poor
inspected August 2024
Type
Truss - Thru
Steel
Length
95 ft
1 main span
Daily traffic
430
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 3305/SW 100 RD over Clatonia Creek is a steel truss - thru carrying FAS 3305/SW 100 RD over Clatonia Creek in Gage County, Nebraska. It was built in 1935, so it is 90 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 430 vehicles a day, projected to reach 435 by 2033. The structure is 95 ft (29 m) long and 20 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesFAS 3305/SW 100 RD
CrossesClatonia Creek
LocationJCT US77/N41 6W .6S
RouteCounty Highway 3305
CountyGage County
StateNebraska
Coordinates40.457, -96.8556
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating9.9 US tons
Inventory rating5.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 20
Structure length95 ft (29 m)
Longest span55 ft (16.8 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2011)
Projected traffic435 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 3305/SW 100 RD over Clatonia Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is FAS 3305/SW 100 RD over Clatonia Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does FAS 3305/SW 100 RD over Clatonia Creek carry?

About 430 vehicles per day (2011 count).

How long is FAS 3305/SW 100 RD over Clatonia Creek?

The structure is 95 ft (29 m) long with a longest span of 55 ft (16.8 m) and a deck 20 ft wide.

Who owns FAS 3305/SW 100 RD over Clatonia Creek?

It is owned by the County Highway Agency.