US Bridges

E1230 over Elk Creek

Good

Beckham County, Oklahoma · 7. E 1. N of Carter · Structure no. 226100000000000

Built
1990
35 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
108 ft
3 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

E1230 over Elk Creek is a steel continuous stringer/multi-beam or girder carrying E1230 over Elk Creek in Beckham County, Oklahoma. It was built in 1990, so it is 35 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 108 ft (32.9 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE1230
CrossesElk Creek
Location7. E 1. N of Carter
RouteCounty Highway E1230
Coordinates35.23347, -99.38137
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92 US tons
Inventory rating55 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length108 ft (32.9 m)
Longest span36 ft (11 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$529,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1230 over Elk Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is E1230 over Elk 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 E1230 over Elk Creek carry?

About 25 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1230 over Elk Creek?

The structure is 108 ft (32.9 m) long with a longest span of 36 ft (11 m) and a deck 23 ft wide.

Who owns E1230 over Elk Creek?

It is owned by the County Highway Agency.