US Bridges

635 BL-711R / 712T over N Fk Big Nemaha River

FairPosted for load

Richardson County, Nebraska · 1.5E1S H (635B-711R/712T) · Structure no. C007411110P

Built
1970
55 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
354 ft
3 main spans
Daily traffic
90
2023 count
Owner
County
County Highway Agency

About this bridge

635 BL-711R / 712T over N Fk Big Nemaha River is a steel continuous stringer/multi-beam or girder carrying 635 BL-711R / 712T over N Fk Big Nemaha River in Richardson County, Nebraska. It was built in 1970, so it is 55 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 90 vehicles a day, projected to reach 153 by 2040. The structure is 354 ft (107.9 m) long and 21 ft wide.

Location

Open in Google Maps
Carries635 BL-711R / 712T
CrossesN Fk Big Nemaha River
Location1.5E1S H (635B-711R/712T)
RouteCounty Highway 7905
CountyRichardson County
StateNebraska
Coordinates40.1436, -95.9068
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.5 US tons
Inventory rating28.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length354 ft (107.9 m)
Longest span134 ft (40.8 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2023)
Projected traffic153 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 635 BL-711R / 712T over N Fk Big Nemaha River built?

It was built in 1970, making it 55 years old in 2025.

What condition is 635 BL-711R / 712T over N Fk Big Nemaha 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 December 2023.

How much traffic does 635 BL-711R / 712T over N Fk Big Nemaha River carry?

About 90 vehicles per day (2023 count).

How long is 635 BL-711R / 712T over N Fk Big Nemaha River?

The structure is 354 ft (107.9 m) long with a longest span of 134 ft (40.8 m) and a deck 21 ft wide.

Who owns 635 BL-711R / 712T over N Fk Big Nemaha River?

It is owned by the County Highway Agency.