US Bridges

5740C over Sycamore Creek

FairPosted for load

Osage County, Oklahoma · 9.5 Mi. SE of Fairfax · Structure no. 119080000000000

Built
1950
75 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

5740C over Sycamore Creek is a concrete culvert carrying 5740C over Sycamore Creek in Osage County, Oklahoma. It was built in 1950, so it is 75 years old, older 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 15% of them trucks, projected to reach 80 by 2042. The structure is 38 ft (11.6 m) long and 33 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Carries5740C
CrossesSycamore Creek
Location9.5 Mi. SE of Fairfax
RouteCounty Highway 5740C
Coordinates36.44921, -96.61312
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.7 US tons
Inventory rating31.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 5740C over Sycamore Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is 5740C over Sycamore 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 March 2024.

How much traffic does 5740C over Sycamore Creek carry?

About 50 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 5740C over Sycamore Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 33 ft wide.

Who owns 5740C over Sycamore Creek?

It is owned by the County Highway Agency.