US Bridges

Township Road over M Br Big Nemaha River

FairPosted for load

Gage County, Nebraska · 1E of Adams · Structure no. C003414745

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
1 main span
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

Township Road over M Br Big Nemaha River is a steel stringer/multi-beam or girder carrying Township Road over M Br Big Nemaha River in Gage County, Nebraska. It was built in 1976, so it is 49 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 35 vehicles a day, projected to reach 59 by 2033. The structure is 83 ft (25.3 m) long and 29 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesTownship Road
CrossesM Br Big Nemaha River
Location1E of Adams
RouteCounty Highway 147
Coordinates40.4533, -96.4817
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating20.9 US tons

Structure

MaterialSteel
DeckOther
Main spans1
Design loadUnknown
Structure length83 ft (25.3 m)
Longest span81 ft (24.7 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 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 closed49.7 mi (80 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 Township Road over M Br Big Nemaha River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Township Road over M Br 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 September 2023.

How much traffic does Township Road over M Br Big Nemaha River carry?

About 35 vehicles per day (2003 count).

How long is Township Road over M Br Big Nemaha River?

The structure is 83 ft (25.3 m) long with a longest span of 81 ft (24.7 m) and a deck 29 ft wide.

Who owns Township Road over M Br Big Nemaha River?

It is owned by the County Highway Agency.