S.H. 43 over Mill Creek

Good

Coal County, Oklahoma · 7.0 Mi. E. US 75 · Structure no. 309260000000000

Built: 2021; 4 years old
Condition: Good; inspected October 2024
Type: Culvert; Concrete
Length: 44 ft; 3 main spans
Daily traffic: 1,210; 2022 count
Owner: State; State Highway Agency

About this bridge

S.H. 43 over Mill Creek is a concrete culvert carrying S.H. 43 over Mill Creek in Coal County, Oklahoma. It was built in 2021, so it is 4 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 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 1,210 vehicles a day, roughly 18% of them trucks, projected to reach 1,790 by 2042. The structure is 44 ft (13.4 m) long.

Location

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CarriesS.H. 43

CrossesMill Creek

Location7.0 Mi. E. US 75

RouteState Highway 43

CountyCoal County

StateOklahoma

Coordinates34.53504, -96.09438

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.

Component	Rating	Meaning
Channel and channel protection	8 Very Good	No problems noted.
Culvert	7 Good	Some minor problems.

Last inspectionOctober 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating110.1 US tons

Inventory rating110.1 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckNot applicable

Main spans3

Design loadHL 93

Structure length44 ft (13.4 m)

Longest span14 ft (4.3 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,210 (2022)

Projected traffic1,790 by 2042

Trucks18%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed—

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 proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 43 over Mill Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is S.H. 43 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 October 2024.

How much traffic does S.H. 43 over Mill Creek carry?

About 1,210 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is S.H. 43 over Mill Creek?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m).

Who owns S.H. 43 over Mill Creek?

It is owned by the State Highway Agency.