US Bridges

U.S. 270 Ramp over U.S. 270 / U.S. 177 Und

Good

Pottawatomie County, Oklahoma · US 270RAMP; @ US 270/177 · Structure no. 155420000000000

Built
1962
63 years old, rebuilt 2022
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
168 ft
3 main spans
Daily traffic
6,200
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 270 Ramp over U.S. 270 / U.S. 177 Und is a steel stringer/multi-beam or girder carrying U.S. 270 Ramp over U.S. 270 / U.S. 177 Und in Pottawatomie County, Oklahoma. It was built in 1962 and reconstructed in 2022, so it is 63 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,200 vehicles a day, roughly 16% of them trucks, projected to reach 9,920 by 2042. The structure is 168 ft (51.2 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesU.S. 270 Ramp
CrossesU.S. 270 / U.S. 177 Und
LocationUS 270RAMP; @ US 270/177
RouteU.S. Route 270
CountyPottawatomie County
StateOklahoma
Coordinates35.26296, -96.92235
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.4 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length168 ft (51.2 m)
Longest span65 ft (19.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,200 (2022)
Projected traffic9,920 by 2042
Trucks16%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$1.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 270 Ramp over U.S. 270 / U.S. 177 Und built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2022.

What condition is U.S. 270 Ramp over U.S. 270 / U.S. 177 Und in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does U.S. 270 Ramp over U.S. 270 / U.S. 177 Und carry?

About 6,200 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 270 Ramp over U.S. 270 / U.S. 177 Und?

The structure is 168 ft (51.2 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.

Who owns U.S. 270 Ramp over U.S. 270 / U.S. 177 Und?

It is owned by the State Highway Agency.