US Bridges

FAU 3540 (college over Cottonwood Creek

FairPosted for load

Logan County, Oklahoma · .4N .1W of SH33 & US77 · Structure no. 124440000000000

Built
1950
75 years old
Condition
Fair
inspected June 2023
Type
Truss - Thru
Steel
Length
141 ft
1 main span
Daily traffic
1,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3540 (college over Cottonwood Creek is a steel truss - thru carrying FAU 3540 (college over Cottonwood Creek in Logan 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 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 1,000 vehicles a day, roughly 7% of them trucks, projected to reach 1,600 by 2042. The structure is 141 ft (43 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAU 3540 (college
CrossesCottonwood Creek
Location.4N .1W of SH33 & US77
RouteCity Street 3540
Coordinates35.88528, -97.42631
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23 US tons
Inventory rating14 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 10
Structure length141 ft (43 m)
Longest span84 ft (25.6 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic1,600 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$651,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3540 (college over Cottonwood Creek built?

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

What condition is FAU 3540 (college over Cottonwood 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 June 2023.

How much traffic does FAU 3540 (college over Cottonwood Creek carry?

About 1,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is FAU 3540 (college over Cottonwood Creek?

The structure is 141 ft (43 m) long with a longest span of 84 ft (25.6 m) and a deck 19 ft wide.

Who owns FAU 3540 (college over Cottonwood Creek?

It is owned by the City or Municipal Highway Agency.