US Bridges

U.S. 70 Bypass over St.L.Sf. R.R. under

Fair

Bryan County, Oklahoma · 2.1 E JCT 78 · Structure no. 298230000000000

Built
2015
10 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
289 ft
3 main spans
Daily traffic
4,600
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 70 Bypass over St.L.Sf. R.R. under is a steel stringer/multi-beam or girder carrying U.S. 70 Bypass over St.L.Sf. R.R. under in Bryan County, Oklahoma. It was built in 2015, so it is 10 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 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 4,600 vehicles a day, roughly 25% of them trucks, projected to reach 6,400 by 2042. The structure is 289 ft (88.1 m) long and 44 ft wide.

CarriesU.S. 70 Bypass
CrossesSt.L.Sf. R.R. under
Location2.1 E JCT 78
RouteU.S. Route 70
Coordinates33.97535, -96.33991
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length289 ft (88.1 m)
Longest span112 ft (34.1 m)
Deck width44 ft (13.4 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2022)
Projected traffic6,400 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 70 Bypass over St.L.Sf. R.R. under built?

It was built in 2015, making it 10 years old in 2025.

What condition is U.S. 70 Bypass over St.L.Sf. 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 April 2024.

How much traffic does U.S. 70 Bypass over St.L.Sf. R.R. under carry?

About 4,600 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is U.S. 70 Bypass over St.L.Sf. R.R. under?

The structure is 289 ft (88.1 m) long with a longest span of 112 ft (34.1 m) and a deck 44 ft wide.

Who owns U.S. 70 Bypass over St.L.Sf. R.R. under?

It is owned by the State Highway Agency.