US Bridges

Walnut Ave. over Main St. under

Fair

Oklahoma County, Oklahoma · 1 Blk N of Sheridan · Structure no. 044470000000000

Built
1935
90 years old, rebuilt 2006
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
1,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut Ave. over Main St. under is a steel stringer/multi-beam or girder carrying Walnut Ave. over Main St. under in Oklahoma County, Oklahoma. It was built in 1935 and reconstructed in 2006, so it is 90 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 1,500 vehicles a day, roughly 5% of them trucks, projected to reach 2,400 by 2042. The structure is 42 ft (12.9 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWalnut Ave.
CrossesMain St. under
Location1 Blk N of Sheridan
RouteCity Street 9383
Coordinates35.4676, -97.50912
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating49.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length42 ft (12.9 m)
Longest span29 ft (8.8 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic2,400 by 2042
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Walnut Ave. over Main St. under built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2006.

What condition is Walnut Ave. over Main St. 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 June 2024.

How much traffic does Walnut Ave. over Main St. under carry?

About 1,500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Walnut Ave. over Main St. under?

The structure is 42 ft (12.9 m) long with a longest span of 29 ft (8.8 m) and a deck 39 ft wide.

Who owns Walnut Ave. over Main St. under?

It is owned by the City or Municipal Highway Agency.