US Bridges

S.H. 1 over S.H. 99 under

Fair

Pontotoc County, Oklahoma · Jct. of S.H. 99 & S.H. 1 · Structure no. 269150000000000

Built
2001
24 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
272 ft
2 main spans
Daily traffic
12,600
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 1 over S.H. 99 under is a prestressed concrete stringer/multi-beam or girder carrying S.H. 1 over S.H. 99 under in Pontotoc County, Oklahoma. It was built in 2001, so it is 24 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 12,600 vehicles a day, roughly 7% of them trucks, projected to reach 20,160 by 2042. The structure is 272 ft (82.9 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS.H. 1
CrossesS.H. 99 under
LocationJct. of S.H. 99 & S.H. 1
RouteState Highway 1
Coordinates34.78926, -96.69365
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.7 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length272 ft (82.9 m)
Longest span136 ft (41.5 m)
Deck width59 ft (18 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2022)
Projected traffic20,160 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$6.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 1 over S.H. 99 under built?

It was built in 2001, making it 24 years old in 2025.

What condition is S.H. 1 over S.H. 99 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 June 2024.

How much traffic does S.H. 1 over S.H. 99 under carry?

About 12,600 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is S.H. 1 over S.H. 99 under?

The structure is 272 ft (82.9 m) long with a longest span of 136 ft (41.5 m) and a deck 59 ft wide.

Who owns S.H. 1 over S.H. 99 under?

It is owned by the State Highway Agency.