US Bridges

S.H. 7 over Mill Creek

Good

Murray County, Oklahoma · 4.1 MI E JCT US177 · Structure no. 183060000000000

Built
1972
53 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
1,900
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 7 over Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 7 over Mill Creek in Murray County, Oklahoma. It was built in 1972, so it is 53 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 1,900 vehicles a day, roughly 15% of them trucks, projected to reach 3,040 by 2042. The structure is 166 ft (50.7 m) long and 34 ft wide. If it were closed, the detour would be 57.8 mi (93 km).

CarriesS.H. 7
CrossesMill Creek
Location4.1 MI E JCT US177
RouteState Highway 7
Coordinates34.50925, -96.89855
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length166 ft (50.7 m)
Longest span60 ft (18.3 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic3,040 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.8 mi (93 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$1.9 million
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1972, making it 53 years old in 2025.

What condition is S.H. 7 over Mill 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 March 2024.

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

About 1,900 vehicles per day (2022 count), of which roughly 15% are trucks.

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

The structure is 166 ft (50.7 m) long with a longest span of 60 ft (18.3 m) and a deck 34 ft wide.

Who owns S.H. 7 over Mill Creek?

It is owned by the State Highway Agency.