US Bridges

RD 100 over Johnson Creek S Fork

PoorPosted for load

Fillmore County, Nebraska · 1S US6 Saline Cl · Structure no. C003014925

Built
1920
105 years old
Condition
Poor
inspected November 2023
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

RD 100 over Johnson Creek S Fork is a concrete culvert carrying RD 100 over Johnson Creek S Fork in Fillmore County, Nebraska. It was built in 1920, so it is 105 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 35 vehicles a day, projected to reach 59 by 2033. The structure is 32 ft (9.8 m) long and 17 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesRD 100
CrossesJohnson Creek S Fork
Location1S US6 Saline Cl
RouteCounty Highway 149
CountyFillmore County
StateNebraska
Coordinates40.6452, -97.3684
Functional classRural Local

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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating9.9 US tons
Inventory rating5.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2003)
Projected traffic59 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-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 RD 100 over Johnson Creek S Fork built?

It was built in 1920, making it 105 years old in 2025.

What condition is RD 100 over Johnson Creek S Fork 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 November 2023.

How much traffic does RD 100 over Johnson Creek S Fork carry?

About 35 vehicles per day (2003 count).

How long is RD 100 over Johnson Creek S Fork?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 17 ft wide.

Who owns RD 100 over Johnson Creek S Fork?

It is owned by the County Highway Agency.