US Bridges

E1100 over Timber Creek

GoodPosted for load

Beckham County, Oklahoma · 9. N .3 W of Sayre · Structure no. 088370000000000

Built
1940
85 years old, rebuilt 2012
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

E1100 over Timber Creek is a steel stringer/multi-beam or girder carrying E1100 over Timber Creek in Beckham County, Oklahoma. It was built in 1940 and reconstructed in 2012, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE1100
CrossesTimber Creek
Location9. N .3 W of Sayre
RouteCounty Highway E1100
Coordinates35.42166, -99.64302
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating49.1 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic38 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$327,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1100 over Timber Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2012.

What condition is E1100 over Timber 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 E1100 over Timber Creek carry?

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

How long is E1100 over Timber Creek?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 28 ft wide.

Who owns E1100 over Timber Creek?

It is owned by the County Highway Agency.