US Bridges

Coll 7548 - Road Z over Crooked Creek

Good

Webster County, Nebraska · 4.5E of Blue Hill · Structure no. C009110420

Built
2017
8 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
50
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7548 - Road Z over Crooked Creek is a concrete culvert carrying Coll 7548 - Road Z over Crooked Creek in Webster County, Nebraska. It was built in 2017, so it is 8 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 50 vehicles a day, projected to reach 85 by 2033. The structure is 40 ft (12.1 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesColl 7548 - Road Z
CrossesCrooked Creek
Location4.5E of Blue Hill
RouteCounty Highway 7548
Coordinates40.336, -98.3582
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
Channel and channel protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.6 US tons
Inventory rating47.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length40 ft (12.1 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1998)
Projected traffic85 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7548 - Road Z over Crooked Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Coll 7548 - Road Z over Crooked 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 2021.

How much traffic does Coll 7548 - Road Z over Crooked Creek carry?

About 50 vehicles per day (1998 count).

How long is Coll 7548 - Road Z over Crooked Creek?

The structure is 40 ft (12.1 m) long with a longest span of 13 ft (3.9 m).

Who owns Coll 7548 - Road Z over Crooked Creek?

It is owned by the County Highway Agency.