US Bridges

6136C over Blue Creek

FairPosted for load

Pittsburg County, Oklahoma · 1.6 S .5 W of Hartshorne · Structure no. 124450000000000

Built
1950
75 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
152 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

6136C over Blue Creek is a steel stringer/multi-beam or girder carrying 6136C over Blue Creek in Pittsburg County, Oklahoma. It was built in 1950, so it is 75 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 152 ft (46.3 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries6136C
CrossesBlue Creek
Location1.6 S .5 W of Hartshorne
RouteCounty Highway 6128
CountyPittsburg County
StateOklahoma
Coordinates34.82195, -95.56769
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26 US tons
Inventory rating16 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length152 ft (46.3 m)
Longest span50 ft (15.2 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$616,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6136C over Blue Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is 6136C over Blue 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 August 2023.

How much traffic does 6136C over Blue Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 6136C over Blue Creek?

The structure is 152 ft (46.3 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.

Who owns 6136C over Blue Creek?

It is owned by the County Highway Agency.