US Bridges

Coll 7908 over Wolf Creek

Good

Otoe County, Nebraska · 2.5N of Unadilla · Structure no. C006621015

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete
Length
102 ft
3 main spans
Daily traffic
140
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7908 over Wolf Creek is a concrete slab carrying Coll 7908 over Wolf Creek in Otoe County, Nebraska. It was built in 2024, so it is 1 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 140 vehicles a day, projected to reach 238 by 2033. The structure is 102 ft (31.1 m) long and 28 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesColl 7908
CrossesWolf Creek
Location2.5N of Unadilla
RouteCounty Highway 7908
Coordinates40.726, -96.2604
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length102 ft (31.1 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (1998)
Projected traffic238 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7908 over Wolf Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Coll 7908 over Wolf Creek 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 2024.

How much traffic does Coll 7908 over Wolf Creek carry?

About 140 vehicles per day (1998 count).

How long is Coll 7908 over Wolf Creek?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns Coll 7908 over Wolf Creek?

It is owned by the County Highway Agency.