US Bridges

S.H. 18 over Coal Creek

Good

Pawnee County, Oklahoma · 7.5N of JCT US 64 · Structure no. 324240000000000

Built
2023
2 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
1,200
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 18 over Coal Creek is a concrete culvert carrying S.H. 18 over Coal Creek in Pawnee County, Oklahoma. It was built in 2023, so it is 2 years old, younger than the Oklahoma average of 47.8 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 1,200 vehicles a day, roughly 16% of them trucks, projected to reach 1,920 by 2042. The structure is 28 ft (8.6 m) long.

CarriesS.H. 18
CrossesCoal Creek
Location7.5N of JCT US 64
RouteState Highway 18
Coordinates36.44353, -96.80013
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating47.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length28 ft (8.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2022)
Projected traffic1,920 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 18 over Coal Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is S.H. 18 over Coal 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 May 2024.

How much traffic does S.H. 18 over Coal Creek carry?

About 1,200 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 18 over Coal Creek?

The structure is 28 ft (8.6 m) long with a longest span of 8 ft (2.4 m).

Who owns S.H. 18 over Coal Creek?

It is owned by the State Highway Agency.