US Bridges

5740C over Sycamore Creek

FairPosted for load

Osage County, Oklahoma · 10 MI SE of Fairfax · Structure no. 030440000000000

Built
1930
95 years old
Condition
Fair
inspected May 2023
Type
Truss - Thru
Steel
Length
63 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

5740C over Sycamore Creek is a steel truss - thru carrying 5740C over Sycamore Creek in Osage County, Oklahoma. It was built in 1930, so it is 95 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 5 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 10% of them trucks, projected to reach 80 by 2042. The structure is 63 ft (19.2 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries5740C
CrossesSycamore Creek
Location10 MI SE of Fairfax
RouteCounty Highway 5740C
CountyOsage County
StateOklahoma
Coordinates36.4494, -96.60328
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15.7 US tons
Inventory rating3.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$397,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 5740C over Sycamore Creek built?

It was built in 1930, making it 95 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 May 2023.

How much traffic does 5740C over Sycamore Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is 5740C over Sycamore Creek?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 18 ft wide.

Who owns 5740C over Sycamore Creek?

It is owned by the County Highway Agency.