US Bridges

County Road 44B over Trenton Dam Spillway

FairPosted for load

Hitchcock County, Nebraska · 2.7 MI W of Trenton · Structure no. NKA-FCD-002

Built
1953
72 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
439 ft
3 main spans
Daily traffic
293
2014 count
Owner
Federal
Bureau of Reclamation

About this bridge

County Road 44B over Trenton Dam Spillway is a concrete tee beam carrying County Road 44B over Trenton Dam Spillway in Hitchcock County, Nebraska. It was built in 1953, so it is 72 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 6 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 293 vehicles a day, projected to reach 320 by 2040. The structure is 439 ft (133.8 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesCounty Road 44B
CrossesTrenton Dam Spillway
Location2.7 MI W of Trenton
RouteCounty Highway 44B
CountyHitchcock County
StateNebraska
Coordinates40.17199, -101.06359
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating37.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3 (+14 approach)
Design loadHS 20
Structure length439 ft (133.8 m)
Longest span44 ft (13.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic293 (2014)
Projected traffic320 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byBureau of Reclamation
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 44B over Trenton Dam Spillway built?

It was built in 1953, making it 72 years old in 2025.

What condition is County Road 44B over Trenton Dam Spillway 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 May 2024.

How much traffic does County Road 44B over Trenton Dam Spillway carry?

About 293 vehicles per day (2014 count).

How long is County Road 44B over Trenton Dam Spillway?

The structure is 439 ft (133.8 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns County Road 44B over Trenton Dam Spillway?

It is owned by the Bureau of Reclamation.