US Bridges

2618C over Laflin Creek

Fair

Grady County, Oklahoma · .5S 14.1E JCT US 81 SH 19 · Structure no. 206620000000000

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
110
2022 count
Owner
County
County Highway Agency

About this bridge

2618C over Laflin Creek is a concrete culvert carrying 2618C over Laflin Creek in Grady County, Oklahoma. It was built in 1984, so it is 41 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 110 vehicles a day, roughly 15% of them trucks, projected to reach 176 by 2042. The structure is 32 ft (9.7 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries2618C
CrossesLaflin Creek
Location.5S 14.1E JCT US 81 SH 19
RouteCounty Highway 2618C
Coordinates34.98594, -97.68883
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)
Projected traffic176 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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 2618C over Laflin Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is 2618C over Laflin Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does 2618C over Laflin Creek carry?

About 110 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 2618C over Laflin Creek?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns 2618C over Laflin Creek?

It is owned by the County Highway Agency.