US Bridges

County Road a over Big Blue River

FairPosted for load

Butler County, Nebraska · 5S N92 Polk Cl · Structure no. C001200105

Built
1935
90 years old
Condition
Fair
inspected July 2023
Type
Truss - Thru
Steel
Length
61 ft
1 main span
Daily traffic
60
2003 count
Owner
County
County Highway Agency

About this bridge

County Road a over Big Blue River is a steel truss - thru carrying County Road a over Big Blue River in Butler 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, projected to reach 102 by 2033. The structure is 61 ft (18.6 m) long and 16 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesCounty Road a
CrossesBig Blue River
Location5S N92 Polk Cl
RouteCounty Highway 1
CountyButler County
StateNebraska
Coordinates41.1168, -97.3681
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating5.5 US tons
Inventory rating3.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2003)
Projected traffic102 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 County Road a over Big Blue River built?

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

What condition is County Road a over Big Blue River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does County Road a over Big Blue River carry?

About 60 vehicles per day (2003 count).

How long is County Road a over Big Blue River?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 16 ft wide.

Who owns County Road a over Big Blue River?

It is owned by the County Highway Agency.