US Bridges

Coll 7586 over Little Blue River

FairPosted for load

Nuckolls County, Nebraska · .5S Angus · Structure no. C006511205

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
3 main spans
Daily traffic
40
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7586 over Little Blue River is a steel stringer/multi-beam or girder carrying Coll 7586 over Little Blue River in Nuckolls County, Nebraska. It was built in 1975, so it is 50 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 68 by 2033. The structure is 150 ft (45.7 m) long and 28 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesColl 7586
CrossesLittle Blue River
Location.5S Angus
RouteCounty Highway 7586
Coordinates40.2783, -97.985
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating23.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length150 ft (45.7 m)
Longest span69 ft (21 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 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 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7586 over Little Blue River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Coll 7586 over Little Blue River 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 September 2023.

How much traffic does Coll 7586 over Little Blue River carry?

About 40 vehicles per day (1998 count).

How long is Coll 7586 over Little Blue River?

The structure is 150 ft (45.7 m) long with a longest span of 69 ft (21 m) and a deck 28 ft wide.

Who owns Coll 7586 over Little Blue River?

It is owned by the County Highway Agency.