US Bridges

US30 over Tail Race

Good

Dawson County, Nebraska · In Gothenburg · Structure no. S030 21308

Built
1982
43 years old, rebuilt 1996
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
2,725
2018 count
Owner
State
State Highway Agency

About this bridge

US30 over Tail Race is a concrete culvert carrying US30 over Tail Race in Dawson County, Nebraska. It was built in 1982 and reconstructed in 1996, so it is 43 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,725 vehicles a day, roughly 8% of them trucks, projected to reach 3,543 by 2038. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesUS30
CrossesTail Race
LocationIn Gothenburg
RouteU.S. Route 30
Coordinates40.9287, -100.167
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,725 (2018)
Projected traffic3,543 by 2038
Trucks8%
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

OwnerState Highway Agency
Maintained byState 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 US30 over Tail Race built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 1996.

What condition is US30 over Tail Race in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does US30 over Tail Race carry?

About 2,725 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is US30 over Tail Race?

The structure is 29 ft (8.8 m) long with a longest span of 8 ft (2.4 m).

Who owns US30 over Tail Race?

It is owned by the State Highway Agency.