US Bridges

N3260 (luther Rd) over U.P. R.R. under

Fair

Oklahoma County, Oklahoma · .4N of NE 23 · Structure no. 199720000000000

Built
1981
44 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
3,000
2022 count
Owner
County
County Highway Agency

About this bridge

N3260 (luther Rd) over U.P. R.R. under is a prestressed concrete stringer/multi-beam or girder carrying N3260 (luther Rd) over U.P. R.R. under in Oklahoma County, Oklahoma. It was built in 1981, so it is 44 years old, younger 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 5 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 3,000 vehicles a day, roughly 15% of them trucks, projected to reach 4,800 by 2042. The structure is 152 ft (46.3 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN3260 (luther Rd)
CrossesU.P. R.R. under
Location.4N of NE 23
RouteCounty Highway N3260
CountyOklahoma County
StateOklahoma
Coordinates35.49893, -97.19469
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.3 US tons
Inventory rating32.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span60 ft (18.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2022)
Projected traffic4,800 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$376,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was N3260 (luther Rd) over U.P. R.R. under built?

It was built in 1981, making it 44 years old in 2025.

What condition is N3260 (luther Rd) 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 July 2023.

How much traffic does N3260 (luther Rd) over U.P. R.R. under carry?

About 3,000 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N3260 (luther Rd) over U.P. R.R. under?

The structure is 152 ft (46.3 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.

Who owns N3260 (luther Rd) over U.P. R.R. under?

It is owned by the County Highway Agency.