US Bridges

E1220 over Elk Creek

Good

Beckham County, Oklahoma · 6.6 E 2. N of Carter · Structure no. 201720000000000

Built
1982
43 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

E1220 over Elk Creek is a prestressed concrete tee beam carrying E1220 over Elk Creek in Beckham County, Oklahoma. It was built in 1982, so it is 43 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 80 by 2042. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE1220
CrossesElk Creek
Location6.6 E 2. N of Carter
RouteCounty Highway E1220
Coordinates35.24784, -99.39036
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 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$350,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1220 over Elk Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is E1220 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 April 2024.

How much traffic does E1220 over Elk Creek carry?

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

How long is E1220 over Elk Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns E1220 over Elk Creek?

It is owned by the County Highway Agency.