US Bridges

Walnut Ave. over U.P. R.R. under

Fair

Oklahoma County, Oklahoma · 0.22 MI N of FAU 9460 · Structure no. 045940000000000

Built
1938
87 years old, rebuilt 2006
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
346 ft
6 main spans
Daily traffic
2,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut Ave. over U.P. R.R. under is a steel continuous stringer/multi-beam or girder carrying Walnut Ave. over U.P. R.R. under in Oklahoma County, Oklahoma. It was built in 1938 and reconstructed in 2006, so it is 87 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 2,500 vehicles a day, roughly 5% of them trucks, projected to reach 4,000 by 2042. The structure is 346 ft (105.6 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWalnut Ave.
CrossesU.P. R.R. under
Location0.22 MI N of FAU 9460
RouteCity Street 9383
CountyOklahoma County
StateOklahoma
Coordinates35.46874, -97.50909
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 rating81 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length346 ft (105.6 m)
Longest span66 ft (20.1 m)
Deck width54 ft (16.5 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2022)
Projected traffic4,000 by 2042
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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$840,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Walnut Ave. over U.P. R.R. under built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2006.

What condition is Walnut Ave. over U.P. R.R. 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 U.P. R.R. under carry?

About 2,500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Walnut Ave. over U.P. R.R. under?

The structure is 346 ft (105.6 m) long with a longest span of 66 ft (20.1 m) and a deck 54 ft wide.

Who owns Walnut Ave. over U.P. R.R. under?

It is owned by the City or Municipal Highway Agency.