US Bridges

Local Rd. 18-A.8 over Trib. to Crooked Creek

Good

Atchison County, Kansas · 0.4W 2.2S of Cummings · Structure no. 000031043003783

Built
2019
6 years old
Condition
Good
inspected July 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
23 ft
1 main span
Daily traffic
20
2007 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 18-A.8 over Trib. to Crooked Creek is a aluminum, wrought iron, or cast iron culvert carrying Local Rd. 18-A.8 over Trib. to Crooked Creek in Atchison County, Kansas. It was built in 2019, so it is 6 years old, younger than the Kansas average of 52.8 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 20 vehicles a day, roughly 4% of them trucks, projected to reach 10 by 2042. The structure is 23 ft (7.1 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal Rd. 18-A.8
CrossesTrib. to Crooked Creek
Location0.4W 2.2S of Cummings
RouteCounty Highway 977
StateKansas
Coordinates39.42908, -95.25417
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckAluminum
Main spans1
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span23 ft (7.1 m)
Deck width33 ft (10.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2007)
Projected traffic10 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Local Rd. 18-A.8 over Trib. to Crooked Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Local Rd. 18-A.8 over Trib. to 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 July 2024.

How much traffic does Local Rd. 18-A.8 over Trib. to Crooked Creek carry?

About 20 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is Local Rd. 18-A.8 over Trib. to Crooked Creek?

The structure is 23 ft (7.1 m) long with a longest span of 23 ft (7.1 m) and a deck 33 ft wide.

Who owns Local Rd. 18-A.8 over Trib. to Crooked Creek?

It is owned by the County Highway Agency.