US Bridges

Coll 7644 over Giles Creek

FairPosted for load

Antelope County, Nebraska · 7S 1.2W of Tilden · Structure no. C000217015

Built
1978
47 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
100
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7644 over Giles Creek is a steel stringer/multi-beam or girder carrying Coll 7644 over Giles Creek in Antelope County, Nebraska. It was built in 1978, so it is 47 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 5 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 100 vehicles a day, projected to reach 170 by 2042. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesColl 7644
CrossesGiles Creek
Location7S 1.2W of Tilden
RouteCounty Highway 7644
Coordinates41.9453, -97.8585
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.8 US tons
Inventory rating24.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1998)
Projected traffic170 by 2042
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 7644 over Giles Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Coll 7644 over Giles 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 December 2023.

How much traffic does Coll 7644 over Giles Creek carry?

About 100 vehicles per day (1998 count).

How long is Coll 7644 over Giles Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns Coll 7644 over Giles Creek?

It is owned by the County Highway Agency.