US Bridges

S.H. 7 over Hell Creek

Good

Stephens County, Oklahoma · 6.2 MI E Comanche CO · Structure no. 138670000000000

Built
1957
68 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
162 ft
3 main spans
Daily traffic
4,050
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 7 over Hell Creek is a steel stringer/multi-beam or girder carrying S.H. 7 over Hell Creek in Stephens County, Oklahoma. It was built in 1957, so it is 68 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 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 4,050 vehicles a day, roughly 25% of them trucks, projected to reach 6,480 by 2042. The structure is 162 ft (49.4 m) long and 31 ft wide.

CarriesS.H. 7
CrossesHell Creek
Location6.2 MI E Comanche CO
RouteState Highway 7
Coordinates34.59433, -98.03306
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.2 US tons
Inventory rating35.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length162 ft (49.4 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,050 (2022)
Projected traffic6,480 by 2042
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$1.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 7 over Hell Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is S.H. 7 over Hell 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 May 2024.

How much traffic does S.H. 7 over Hell Creek carry?

About 4,050 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is S.H. 7 over Hell Creek?

The structure is 162 ft (49.4 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns S.H. 7 over Hell Creek?

It is owned by the State Highway Agency.