US Bridges

Coll 7908 over Wolf Creek Trib

Good

Otoe County, Nebraska · .5E 3N of Unadilla · Structure no. C006621020

Built
2023
2 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
140
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7908 over Wolf Creek Trib is a concrete culvert carrying Coll 7908 over Wolf Creek Trib in Otoe County, Nebraska. It was built in 2023, so it is 2 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 40 ft (12.2 m) long. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesColl 7908
CrossesWolf Creek Trib
Location.5E 3N of Unadilla
RouteCounty Highway 7908
CountyOtoe County
StateNebraska
Coordinates40.7259, -96.2562
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed18.6 mi (30 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 Trib built?

It was built in 2023, making it 2 years old in 2025.

What condition is Coll 7908 over Wolf Creek Trib 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 Trib carry?

About 140 vehicles per day (1998 count).

How long is Coll 7908 over Wolf Creek Trib?

The structure is 40 ft (12.2 m) long with a longest span of 13 ft (3.9 m).

Who owns Coll 7908 over Wolf Creek Trib?

It is owned by the County Highway Agency.