US Bridges

N3711 over Creek

Fair

Creek County, Oklahoma · 1W of Bristow · Structure no. 311740000000000

Built
1940
85 years old
Condition
Fair
inspected June 2024
Type
Arch - Thru
Masonry
Length
23 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3711 over Creek is a masonry arch - thru carrying N3711 over Creek in Creek County, Oklahoma. It was built in 1940, so it is 85 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.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 23 ft (7.1 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN3711
CrossesCreek
Location1W of Bristow
RouteCounty Highway N3711
Coordinates35.83358, -96.40379
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeArch - Thru
MaterialMasonry
DeckOther
Main spans1
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N3711 over Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is N3711 over 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 2024.

How much traffic does N3711 over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3711 over Creek?

The structure is 23 ft (7.1 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns N3711 over Creek?

It is owned by the County Highway Agency.