US Bridges

4th ST over Tail Race

Fair

Dawson County, Nebraska · Gothenburg 4th@ Tail Race · Structure no. M1030J1805

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
300
2003 count
Owner
Local
Other Local Agency

About this bridge

4th ST over Tail Race is a prestressed concrete tee beam carrying 4th ST over Tail Race in Dawson County, Nebraska. It was built in 1971, so it is 54 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.

It carries about 300 vehicles a day, roughly 10% of them trucks, projected to reach 420 by 2033. The structure is 39 ft (11.9 m) long and 30 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Carries4th ST
CrossesTail Race
LocationGothenburg 4th@ Tail Race
RouteCity Street 0J18
Coordinates40.9237, -100.167
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span36 ft (11 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2003)
Projected traffic420 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 4th ST over Tail Race built?

It was built in 1971, making it 54 years old in 2025.

What condition is 4th ST over Tail Race 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 October 2024.

How much traffic does 4th ST over Tail Race carry?

About 300 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is 4th ST over Tail Race?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 30 ft wide.

Who owns 4th ST over Tail Race?

It is owned by the Other Local Agency.