US Bridges

E1030 over Sixmile Creek

FairPosted for load

Canadian County, Oklahoma · E1030N2880007 · Structure no. 099890000000000

Built
1942
83 years old, rebuilt 2008
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
3 main spans
Daily traffic
50
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

E1030 over Sixmile Creek is a steel stringer/multi-beam or girder carrying E1030 over Sixmile Creek in Canadian County, Oklahoma. It was built in 1942 and reconstructed in 2008, so it is 83 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 63 ft (19.2 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesE1030
CrossesSixmile Creek
LocationE1030N2880007
RouteCity Street E1030
Coordinates35.52238, -97.8539
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating7.4 US tons
Inventory rating4.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span29 ft (8.8 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 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 closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$397,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1030 over Sixmile Creek built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 2008.

What condition is E1030 over Sixmile 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 May 2024.

How much traffic does E1030 over Sixmile Creek carry?

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

How long is E1030 over Sixmile Creek?

The structure is 63 ft (19.2 m) long with a longest span of 29 ft (8.8 m) and a deck 18 ft wide.

Who owns E1030 over Sixmile Creek?

It is owned by the City or Municipal Highway Agency.