US Bridges

Parkersburg Rd. over I-40 under

Fair

Custer County, Oklahoma · 7.0 MI NE Washita C/L · Structure no. 144320000000000

Built
1959
66 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
172 ft
4 main spans
Daily traffic
175
2022 count
Owner
State
State Highway Agency

About this bridge

Parkersburg Rd. over I-40 under is a concrete continuous slab carrying Parkersburg Rd. over I-40 under in Custer County, Oklahoma. It was built in 1959, so it is 66 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 175 vehicles a day, roughly 30% of them trucks, projected to reach 280 by 2042. The structure is 172 ft (52.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesParkersburg Rd.
CrossesI-40 under
Location7.0 MI NE Washita C/L
RouteCounty Highway N2231
Coordinates35.48028, -99.025
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length172 ft (52.4 m)
Longest span55 ft (16.8 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2022)
Projected traffic280 by 2042
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Parkersburg Rd. over I-40 under built?

It was built in 1959, making it 66 years old in 2025.

What condition is Parkersburg Rd. over I-40 under 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 September 2024.

How much traffic does Parkersburg Rd. over I-40 under carry?

About 175 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is Parkersburg Rd. over I-40 under?

The structure is 172 ft (52.4 m) long with a longest span of 55 ft (16.8 m) and a deck 33 ft wide.

Who owns Parkersburg Rd. over I-40 under?

It is owned by the State Highway Agency.