US Bridges

U.S. 270 NB over U.S. 270 Bus. under

Fair

Pottawatomie County, Oklahoma · US 270; @ JCT US 270 Bus. · Structure no. 151140000000000

Built
1960
65 years old, rebuilt 2020
Condition
Fair
inspected May 2023
Type
Frame
Concrete
Length
144 ft
4 main spans
Daily traffic
7,700
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 270 NB over U.S. 270 Bus. under is a concrete frame carrying U.S. 270 NB over U.S. 270 Bus. under in Pottawatomie County, Oklahoma. It was built in 1960 and reconstructed in 2020, so it is 65 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 7,700 vehicles a day, roughly 16% of them trucks, projected to reach 12,320 by 2042. The structure is 144 ft (43.9 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesU.S. 270 NB
CrossesU.S. 270 Bus. under
LocationUS 270; @ JCT US 270 Bus.
RouteU.S. Route 270
CountyPottawatomie County
StateOklahoma
Coordinates35.3436, -96.94511
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating24.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length144 ft (43.9 m)
Longest span41 ft (12.5 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (2022)
Projected traffic12,320 by 2042
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 270 NB over U.S. 270 Bus. under built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2020.

What condition is U.S. 270 NB over U.S. 270 Bus. 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 May 2023.

How much traffic does U.S. 270 NB over U.S. 270 Bus. under carry?

About 7,700 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 270 NB over U.S. 270 Bus. under?

The structure is 144 ft (43.9 m) long with a longest span of 41 ft (12.5 m) and a deck 31 ft wide.

Who owns U.S. 270 NB over U.S. 270 Bus. under?

It is owned by the State Highway Agency.