US Bridges

Coll 7471 over South Loup River

Good

Buffalo County, Nebraska · 5E 1N of Ravenna · Structure no. C001006555

Built
2017
8 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
253 ft
3 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

Coll 7471 over South Loup River is a prestressed concrete continuous stringer/multi-beam or girder carrying Coll 7471 over South Loup River in Buffalo County, Nebraska. It was built in 2017, so it is 8 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, projected to reach 60 by 2042. The structure is 253 ft (77.1 m) long and 31 ft wide. If it were closed, the detour would be 68.4 mi (110 km).

Location

Open in Google Maps
CarriesColl 7471
CrossesSouth Loup River
Location5E 1N of Ravenna
RouteCounty Highway 7471
CountyBuffalo County
StateNebraska
Coordinates41.0386, -98.8177
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating37.5 US tons
Inventory rating27.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length253 ft (77.1 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.3 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic60 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed68.4 mi (110 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7471 over South Loup River built?

It was built in 2017, making it 8 years old in 2025.

What condition is Coll 7471 over South Loup River 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 June 2023.

How much traffic does Coll 7471 over South Loup River carry?

About 40 vehicles per day (2023 count).

How long is Coll 7471 over South Loup River?

The structure is 253 ft (77.1 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns Coll 7471 over South Loup River?

It is owned by the County Highway Agency.