US Bridges

Coll 7504 over S Fk Elkhorn River

Good

Holt County, Nebraska · 2.5E 3.4N Chambers · Structure no. C004515710

Built
1980
45 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
15
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7504 over S Fk Elkhorn River is a prestressed concrete tee beam carrying Coll 7504 over S Fk Elkhorn River in Holt County, Nebraska. It was built in 1980, so it is 45 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, projected to reach 25 by 2033. The structure is 92 ft (28 m) long and 30 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesColl 7504
CrossesS Fk Elkhorn River
Location2.5E 3.4N Chambers
RouteCounty Highway 7504
Coordinates42.2546, -98.6905
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating33.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span31 ft (9.4 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (1998)
Projected traffic25 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 7504 over S Fk Elkhorn River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Coll 7504 over S Fk Elkhorn River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Coll 7504 over S Fk Elkhorn River carry?

About 15 vehicles per day (1998 count).

How long is Coll 7504 over S Fk Elkhorn River?

The structure is 92 ft (28 m) long with a longest span of 31 ft (9.4 m) and a deck 30 ft wide.

Who owns Coll 7504 over S Fk Elkhorn River?

It is owned by the County Highway Agency.