US Bridges

E1350 over Tonkawa Creek

Good

Caddo County, Oklahoma · 2E of Anadarko 1S US 62 · Structure no. 272110000000000

Built
2003
22 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

E1350 over Tonkawa Creek is a prestressed concrete stringer/multi-beam or girder carrying E1350 over Tonkawa Creek in Caddo County, Oklahoma. It was built in 2003, so it is 22 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 105 ft (32 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE1350
CrossesTonkawa Creek
Location2E of Anadarko 1S US 62
RouteCounty Highway E1350
Coordinates35.05776, -98.20157
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating40.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length105 ft (32 m)
Longest span105 ft (32 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$896,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1350 over Tonkawa Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is E1350 over Tonkawa Creek 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 January 2024.

How much traffic does E1350 over Tonkawa Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1350 over Tonkawa Creek?

The structure is 105 ft (32 m) long with a longest span of 105 ft (32 m) and a deck 28 ft wide.

Who owns E1350 over Tonkawa Creek?

It is owned by the County Highway Agency.