US Bridges

Coll 7390 over Clear Creek

Good

Custer County, Nebraska · 9.7N 1.5E of Mason C.#676 · Structure no. C0E2100525

Built
1976
49 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
98 ft
3 main spans
Daily traffic
30
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7390 over Clear Creek is a prestressed concrete tee beam carrying Coll 7390 over Clear Creek in Custer County, Nebraska. It was built in 1976, so it is 49 years old, older 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 30 vehicles a day, projected to reach 51 by 2033. The structure is 98 ft (29.9 m) long and 30 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesColl 7390
CrossesClear Creek
Location9.7N 1.5E of Mason C.#676
RouteCounty Highway 7390
Coordinates41.375, -99.2617
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length98 ft (29.9 m)
Longest span33 ft (10.1 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (1998)
Projected traffic51 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7390 over Clear Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Coll 7390 over Clear 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 October 2024.

How much traffic does Coll 7390 over Clear Creek carry?

About 30 vehicles per day (1998 count).

How long is Coll 7390 over Clear Creek?

The structure is 98 ft (29.9 m) long with a longest span of 33 ft (10.1 m) and a deck 30 ft wide.

Who owns Coll 7390 over Clear Creek?

It is owned by the County Highway Agency.