US Bridges

S.H. 1 SB over S.H. 19 under

Good

Pontotoc County, Oklahoma · 0.2 MI W Ada · Structure no. 173200000000000

Built
1968
57 years old, rebuilt 2024
Condition
Good
inspected June 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
190 ft
2 main spans
Daily traffic
4,600
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 1 SB over S.H. 19 under is a steel continuous girder and floorbeam system carrying S.H. 1 SB over S.H. 19 under in Pontotoc County, Oklahoma. It was built in 1968 and reconstructed in 2024, so it is 57 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 4,600 vehicles a day, roughly 7% of them trucks, projected to reach 7,360 by 2042. The structure is 190 ft (57.9 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesS.H. 1 SB
CrossesS.H. 19 under
Location0.2 MI W Ada
RouteState Highway 1
CountyPontotoc County
StateOklahoma
Coordinates34.77611, -96.70255
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
Deck7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.4 US tons
Inventory rating37.4 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span96 ft (29.3 m)
Deck width45 ft (13.7 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2022)
Projected traffic7,360 by 2042
Trucks7%
Lanes on structure3
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$3.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 1 SB over S.H. 19 under built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2024.

What condition is S.H. 1 SB over S.H. 19 under 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 June 2024.

How much traffic does S.H. 1 SB over S.H. 19 under carry?

About 4,600 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is S.H. 1 SB over S.H. 19 under?

The structure is 190 ft (57.9 m) long with a longest span of 96 ft (29.3 m) and a deck 45 ft wide.

Who owns S.H. 1 SB over S.H. 19 under?

It is owned by the State Highway Agency.