US Bridges

Coll 7397 over Stream

Fair

Custer County, Nebraska · 15W of Oconto No. 425 · Structure no. C002102305

Built
1988
37 years old
Condition
Fair
inspected October 2022
Type
Culvert
Steel
Length
20 ft
1 main span
Daily traffic
40
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7397 over Stream is a steel culvert carrying Coll 7397 over Stream in Custer County, Nebraska. It was built in 1988, so it is 37 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 40 vehicles a day, projected to reach 68 by 2033. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 99.4 mi (160 km).

Location

Open in Google Maps
CarriesColl 7397
CrossesStream
Location15W of Oconto No. 425
RouteCounty Highway 7397
CountyCuster County
StateNebraska
Coordinates41.146, -100.0455
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckOther
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1998)
Projected traffic68 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed99.4 mi (160 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 7397 over Stream built?

It was built in 1988, making it 37 years old in 2025.

What condition is Coll 7397 over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2022.

How much traffic does Coll 7397 over Stream carry?

About 40 vehicles per day (1998 count).

How long is Coll 7397 over Stream?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns Coll 7397 over Stream?

It is owned by the County Highway Agency.