E1230 over Unnamed Creek

Good

Hughes County, Oklahoma · 2.8S 2.1E of Dustin · Structure no. 294680000000000

Built: 2010; 15 years old
Condition: Good; inspected October 2023
Type: Tee Beam; Prestressed Concrete
Length: 46 ft; 1 main span
Daily traffic: 50; 2022 count
Owner: County; County Highway Agency

About this bridge

E1230 over Unnamed Creek is a prestressed concrete tee beam carrying E1230 over Unnamed Creek in Hughes County, Oklahoma. It was built in 2010, so it is 15 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2042. The structure is 46 ft (13.9 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesE1230

CrossesUnnamed Creek

Location2.8S 2.1E of Dustin

RouteCounty Highway E1230

CountyHughes County

StateOklahoma

Coordinates35.23167, -95.99361

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.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionOctober 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is

Approach roadway alignment8: Equal to present desirable criteria

Operating rating57 US tons

Inventory rating34 US tons

Structure

Structure typeTee Beam

MaterialPrestressed Concrete

DeckConcrete, cast-in-place

Main spans1

Design loadH 20

Structure length46 ft (13.9 m)

Longest span45 ft (13.7 m)

Deck width28 ft (8.5 m)

Roadway width26 ft (8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)

Projected traffic75 by 2042

Trucks10%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed8.1 mi (13 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency

Maintained byCounty 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 E1230 over Unnamed Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is E1230 over Unnamed 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 2023.

How much traffic does E1230 over Unnamed Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1230 over Unnamed Creek?

The structure is 46 ft (13.9 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns E1230 over Unnamed Creek?

It is owned by the County Highway Agency.