US Bridges

EW-120 Co. Rd. over I-40 under

Good

Beckham County, Oklahoma · 1.5 MI E U.S. 283 · Structure no. 179350000000000

Built
1970
55 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
297 ft
2 main spans
Daily traffic
75
2022 count
Owner
State
State Highway Agency

About this bridge

EW-120 Co. Rd. over I-40 under is a steel continuous stringer/multi-beam or girder carrying EW-120 Co. Rd. over I-40 under in Beckham County, Oklahoma. It was built in 1970, so it is 55 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 17% of them trucks, projected to reach 120 by 2042. The structure is 297 ft (90.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesEW-120 Co. Rd.
CrossesI-40 under
Location1.5 MI E U.S. 283
RouteCounty Highway E1200
CountyBeckham County
StateOklahoma
Coordinates35.27667, -99.62444
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 15
Structure length297 ft (90.5 m)
Longest span113 ft (34.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks17%
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$2.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was EW-120 Co. Rd. over I-40 under built?

It was built in 1970, making it 55 years old in 2025.

What condition is EW-120 Co. Rd. over I-40 under in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does EW-120 Co. Rd. over I-40 under carry?

About 75 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is EW-120 Co. Rd. over I-40 under?

The structure is 297 ft (90.5 m) long with a longest span of 113 ft (34.4 m) and a deck 28 ft wide.

Who owns EW-120 Co. Rd. over I-40 under?

It is owned by the State Highway Agency.