US Bridges

S 54th ST over M Br Big Nemaha Ri(x 41)

Fair

Lancaster County, Nebraska · 2W .5N of Firth · Structure no. C005502910

Built
1983
42 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
27
2019 count
Owner
County
County Highway Agency

About this bridge

S 54th ST over M Br Big Nemaha Ri(x 41) is a prestressed concrete tee beam carrying S 54th ST over M Br Big Nemaha Ri(x 41) in Lancaster County, Nebraska. It was built in 1983, so it is 42 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 27 vehicles a day, projected to reach 46 by 2042. The structure is 54 ft (16.5 m) long and 31 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesS 54th ST
CrossesM Br Big Nemaha Ri(x 41)
Location2W .5N of Firth
RouteCounty Highway 29
Coordinates40.5442, -96.648
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating27.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length54 ft (16.5 m)
Longest span52 ft (15.9 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (2019)
Projected traffic46 by 2042
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S 54th ST over M Br Big Nemaha Ri(x 41) built?

It was built in 1983, making it 42 years old in 2025.

What condition is S 54th ST over M Br Big Nemaha Ri(x 41) 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 March 2024.

How much traffic does S 54th ST over M Br Big Nemaha Ri(x 41) carry?

About 27 vehicles per day (2019 count).

How long is S 54th ST over M Br Big Nemaha Ri(x 41)?

The structure is 54 ft (16.5 m) long with a longest span of 52 ft (15.9 m) and a deck 31 ft wide.

Who owns S 54th ST over M Br Big Nemaha Ri(x 41)?

It is owned by the County Highway Agency.