US Bridges

Coll 7645 over Willow Creek

PoorPosted for load

Antelope County, Nebraska · 6S 4E of Brunswick · Structure no. C000224315

Built
1935
90 years old, rebuilt 1975
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
95
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7645 over Willow Creek is a steel stringer/multi-beam or girder carrying Coll 7645 over Willow Creek in Antelope County, Nebraska. It was built in 1935 and reconstructed in 1975, so it is 90 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 95 vehicles a day, projected to reach 161 by 2042. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesColl 7645
CrossesWillow Creek
Location6S 4E of Brunswick
RouteCounty Highway 7645
Coordinates42.2432, -97.8931
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating29.8 US tons
Inventory rating17.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (1998)
Projected traffic161 by 2042
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 7645 over Willow Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1975.

What condition is Coll 7645 over Willow Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Coll 7645 over Willow Creek carry?

About 95 vehicles per day (1998 count).

How long is Coll 7645 over Willow Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns Coll 7645 over Willow Creek?

It is owned by the County Highway Agency.