US Bridges

N47 over 7th/US30/UPRR 816-146-A

Good

Dawson County, Nebraska · In Gothenburg · Structure no. S047 06288

Built
1987
38 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
595 ft
5 main spans
Daily traffic
5,485
2018 count
Owner
State
State Highway Agency

About this bridge

N47 over 7th/US30/UPRR 816-146-A is a steel continuous stringer/multi-beam or girder carrying N47 over 7th/US30/UPRR 816-146-A in Dawson County, Nebraska. It was built in 1987, so it is 38 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,485 vehicles a day, roughly 8% of them trucks, projected to reach 7,405 by 2038. The structure is 595 ft (181.4 m) long and 49 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesN47
Crosses7th/US30/UPRR 816-146-A
LocationIn Gothenburg
RouteState Highway 47
CountyDawson County
StateNebraska
Coordinates40.9253, -100.1608
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.1 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length595 ft (181.4 m)
Longest span138 ft (42.1 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,485 (2018)
Projected traffic7,405 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed12.4 mi (20 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N47 over 7th/US30/UPRR 816-146-A built?

It was built in 1987, making it 38 years old in 2025.

What condition is N47 over 7th/US30/UPRR 816-146-A 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 N47 over 7th/US30/UPRR 816-146-A carry?

About 5,485 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is N47 over 7th/US30/UPRR 816-146-A?

The structure is 595 ft (181.4 m) long with a longest span of 138 ft (42.1 m) and a deck 49 ft wide.

Who owns N47 over 7th/US30/UPRR 816-146-A?

It is owned by the State Highway Agency.