US Bridges

Coll 7526 over Blackbird Creek

Good

Holt County, Nebraska · 11N Oneill · Structure no. C004543815

Built
2016
9 years old
Condition
Good
inspected September 2022
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
65
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7526 over Blackbird Creek is a concrete continuous slab carrying Coll 7526 over Blackbird Creek in Holt County, Nebraska. It was built in 2016, so it is 9 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 65 vehicles a day, projected to reach 110 by 2033. The structure is 80 ft (24.4 m) long and 30 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesColl 7526
CrossesBlackbird Creek
Location11N Oneill
RouteCounty Highway 7526
Coordinates42.625, -98.6383
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating46.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span32 ft (9.8 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (1998)
Projected traffic110 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7526 over Blackbird Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Coll 7526 over Blackbird Creek 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 2022.

How much traffic does Coll 7526 over Blackbird Creek carry?

About 65 vehicles per day (1998 count).

How long is Coll 7526 over Blackbird Creek?

The structure is 80 ft (24.4 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.

Who owns Coll 7526 over Blackbird Creek?

It is owned by the County Highway Agency.