US Bridges

E1570 over Beaver Creek

FairPosted for load

Comanche County, Oklahoma · 1.1E&.8S of JCT SH65&17 · Structure no. 000600000000000

Built
1906
119 years old
Condition
Fair
inspected April 2024
Type
Truss - Thru
Steel
Length
70 ft
1 main span
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

E1570 over Beaver Creek is a steel truss - thru carrying E1570 over Beaver Creek in Comanche County, Oklahoma. It was built in 1906, so it is 119 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 70 ft (21.3 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesE1570
CrossesBeaver Creek
Location1.1E&.8S of JCT SH65&17
RouteCounty Highway E1570
CountyComanche County
StateOklahoma
Coordinates34.73919, -98.15912
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14.3 US tons
Inventory rating8.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span45 ft (13.7 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1570 over Beaver Creek built?

It was built in 1906, making it 119 years old in 2025.

What condition is E1570 over Beaver Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does E1570 over Beaver Creek carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1570 over Beaver Creek?

The structure is 70 ft (21.3 m) long with a longest span of 45 ft (13.7 m) and a deck 16 ft wide.

Who owns E1570 over Beaver Creek?

It is owned by the County Highway Agency.