US Bridges

U.S. 270 over A Ok R.R. under

Fair

Pittsburg County, Oklahoma · 0.3 E JCT SH 1 · Structure no. 187450000000000

Built
1974
51 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
168 ft
3 main spans
Daily traffic
4,800
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 270 over A Ok R.R. under is a prestressed concrete stringer/multi-beam or girder carrying U.S. 270 over A Ok R.R. under in Pittsburg County, Oklahoma. It was built in 1974, so it is 51 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 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 4,800 vehicles a day, roughly 16% of them trucks, projected to reach 7,680 by 2042. The structure is 168 ft (51.2 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesU.S. 270
CrossesA Ok R.R. under
Location0.3 E JCT SH 1
RouteU.S. Route 270
Coordinates34.84672, -95.53751
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.2 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span55 ft (16.8 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2022)
Projected traffic7,680 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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$1.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 270 over A Ok R.R. under built?

It was built in 1974, making it 51 years old in 2025.

What condition is U.S. 270 over A Ok 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 September 2023.

How much traffic does U.S. 270 over A Ok R.R. under carry?

About 4,800 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 270 over A Ok R.R. under?

The structure is 168 ft (51.2 m) long with a longest span of 55 ft (16.8 m) and a deck 46 ft wide.

Who owns U.S. 270 over A Ok R.R. under?

It is owned by the State Highway Agency.