US Bridges

Coll 7589 over Oak Creek

Fair

Nuckolls County, Nebraska · 7W 1N of Superior · Structure no. C006500905

Built
1947
78 years old, rebuilt 1987
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
2 main spans
Daily traffic
35
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7589 over Oak Creek is a steel stringer/multi-beam or girder carrying Coll 7589 over Oak Creek in Nuckolls County, Nebraska. It was built in 1947 and reconstructed in 1987, so it is 78 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 35 vehicles a day, projected to reach 59 by 2033. The structure is 74 ft (22.6 m) long and 20 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesColl 7589
CrossesOak Creek
Location7W 1N of Superior
RouteCounty Highway 7589
Coordinates40.0313, -98.1986
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.8 US tons
Inventory rating24.3 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span39 ft (11.9 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (1998)
Projected traffic59 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7589 over Oak Creek built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1987.

What condition is Coll 7589 over Oak Creek 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 2024.

How much traffic does Coll 7589 over Oak Creek carry?

About 35 vehicles per day (1998 count).

How long is Coll 7589 over Oak Creek?

The structure is 74 ft (22.6 m) long with a longest span of 39 ft (11.9 m) and a deck 20 ft wide.

Who owns Coll 7589 over Oak Creek?

It is owned by the County Highway Agency.