US Bridges

E1100 (sw 44) over Twin Creek

Fair

Oklahoma County, Oklahoma · .8E of Portland · Structure no. 115080000000000

Built
1950
75 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
16,700
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

E1100 (sw 44) over Twin Creek is a concrete culvert carrying E1100 (sw 44) over Twin Creek in Oklahoma 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.

It carries about 16,700 vehicles a day, roughly 5% of them trucks, projected to reach 26,720 by 2042. The structure is 27 ft (8.2 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesE1100 (sw 44)
CrossesTwin Creek
Location.8E of Portland
RouteCity Street E1100
CountyOklahoma County
StateOklahoma
Coordinates35.42057, -97.56847
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width86 ft (26.1 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,700 (2022)
Projected traffic26,720 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1100 (sw 44) over Twin Creek built?

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

What condition is E1100 (sw 44) over Twin 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 E1100 (sw 44) over Twin Creek carry?

About 16,700 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is E1100 (sw 44) over Twin Creek?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 86 ft wide.

Who owns E1100 (sw 44) over Twin Creek?

It is owned by the City or Municipal Highway Agency.