US Bridges

Coll 7510 over Elkhorn River

Good

Holt County, Nebraska · .5S 1.2E of Ewing · Structure no. C004559010

Built
1988
37 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
213 ft
3 main spans
Daily traffic
205
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7510 over Elkhorn River is a prestressed concrete stringer/multi-beam or girder carrying Coll 7510 over Elkhorn River in Holt County, Nebraska. It was built in 1988, so it is 37 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 205 vehicles a day, projected to reach 205 by 2033. The structure is 213 ft (64.9 m) long and 31 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesColl 7510
CrossesElkhorn River
Location.5S 1.2E of Ewing
RouteCounty Highway 7510
Coordinates42.2484, -98.3135
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length213 ft (64.9 m)
Longest span74 ft (22.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic205 (1998)
Projected traffic205 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 7510 over Elkhorn River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Coll 7510 over 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 September 2024.

How much traffic does Coll 7510 over Elkhorn River carry?

About 205 vehicles per day (1998 count).

How long is Coll 7510 over Elkhorn River?

The structure is 213 ft (64.9 m) long with a longest span of 74 ft (22.6 m) and a deck 31 ft wide.

Who owns Coll 7510 over Elkhorn River?

It is owned by the County Highway Agency.