US Bridges

S.H. 18B over Creek

Good

Lincoln County, Oklahoma · 2.8 MI E JCT SH 18 · Structure no. 128790000000000

Built
1953
72 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
460
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 18B over Creek is a concrete culvert carrying S.H. 18B over Creek in Lincoln County, Oklahoma. It was built in 1953, so it is 72 years old, older 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 460 vehicles a day, roughly 15% of them trucks, projected to reach 736 by 2042. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS.H. 18B
CrossesCreek
Location2.8 MI E JCT SH 18
RouteState Highway 18B
Coordinates35.59371, -96.83476
Functional classRural Major 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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2022)
Projected traffic736 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1953, making it 72 years old in 2025.

What condition is S.H. 18B over 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 S.H. 18B over Creek carry?

About 460 vehicles per day (2022 count), of which roughly 15% are trucks.

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

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns S.H. 18B over Creek?

It is owned by the State Highway Agency.