US Bridges

Merritt Rd. over I-40 under

Good

Beckham County, Oklahoma · 9.9 MI E I-40 Bus. · Structure no. 175550000000000

Built
1969
56 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
233 ft
2 main spans
Daily traffic
1,800
2022 count
Owner
State
State Highway Agency

About this bridge

Merritt Rd. over I-40 under is a steel continuous stringer/multi-beam or girder carrying Merritt Rd. over I-40 under in Beckham County, Oklahoma. It was built in 1969, so it is 56 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 1,800 vehicles a day, roughly 15% of them trucks, projected to reach 2,880 by 2042. The structure is 233 ft (71 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMerritt Rd.
CrossesI-40 under
Location9.9 MI E I-40 Bus.
RouteCounty Highway 513
CountyBeckham County
StateOklahoma
Coordinates35.38556, -99.47028
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length233 ft (71 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2022)
Projected traffic2,880 by 2042
Trucks15%
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 Merritt Rd. over I-40 under built?

It was built in 1969, making it 56 years old in 2025.

What condition is Merritt 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 Merritt Rd. over I-40 under carry?

About 1,800 vehicles per day (2022 count), of which roughly 15% are trucks.

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

The structure is 233 ft (71 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns Merritt Rd. over I-40 under?

It is owned by the State Highway Agency.