US Bridges

E0687 over Blackbird Creek

Fair

Cherokee County, Oklahoma · .6N .6W of Gideon · Structure no. 314370000000000

Built
2017
8 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
265
2022 count
Owner
County
County Highway Agency

About this bridge

E0687 over Blackbird Creek is a prestressed concrete stringer/multi-beam or girder carrying E0687 over Blackbird Creek in Cherokee County, Oklahoma. It was built in 2017, so it is 8 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 265 vehicles a day, roughly 10% of them trucks, projected to reach 424 by 2042. The structure is 110 ft (33.5 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesE0687
CrossesBlackbird Creek
Location.6N .6W of Gideon
RouteCounty Highway E0687
Coordinates36.01895, -95.05135
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating100 US tons
Inventory rating61 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span105 ft (32 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2022)
Projected traffic424 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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E0687 over Blackbird Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is E0687 over Blackbird 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 July 2024.

How much traffic does E0687 over Blackbird Creek carry?

About 265 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E0687 over Blackbird Creek?

The structure is 110 ft (33.5 m) long with a longest span of 105 ft (32 m) and a deck 28 ft wide.

Who owns E0687 over Blackbird Creek?

It is owned by the County Highway Agency.