US Bridges

Coll 7397 over Stream

Fair

Custer County, Nebraska · 6.5W 7S of Callaway #427 · Structure no. C002102105P

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
55
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7397 over Stream is a prestressed concrete tee beam carrying Coll 7397 over Stream in Custer County, Nebraska. It was built in 1970, so it is 55 years old, older 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 5 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 55 vehicles a day, projected to reach 93 by 2033. The structure is 41 ft (12.5 m) long and 30 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesColl 7397
CrossesStream
Location6.5W 7S of Callaway #427
RouteCounty Highway 7397
CountyCuster County
StateNebraska
Coordinates41.1912, -100.055
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation6: Equal to 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 rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (1998)
Projected traffic93 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7397 over Stream built?

It was built in 1970, making it 55 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 2024.

How much traffic does Coll 7397 over Stream carry?

About 55 vehicles per day (1998 count).

How long is Coll 7397 over Stream?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 30 ft wide.

Who owns Coll 7397 over Stream?

It is owned by the County Highway Agency.