US Bridges

S.H. 9 over Longtown Creek

Fair

Pittsburg County, Oklahoma · 3.3 MI E Mcintosh · Structure no. 161860000000000

Built
1964
61 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
633 ft
3 main spans
Daily traffic
6,500
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 9 over Longtown Creek is a steel continuous stringer/multi-beam or girder carrying S.H. 9 over Longtown Creek in Pittsburg County, Oklahoma. It was built in 1964, so it is 61 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.

It carries about 6,500 vehicles a day, roughly 16% of them trucks, projected to reach 10,400 by 2042. The structure is 633 ft (192.9 m) long and 31 ft wide. If it were closed, the detour would be 46 mi (74 km).

Location

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CarriesS.H. 9
CrossesLongtown Creek
Location3.3 MI E Mcintosh
RouteState Highway 9
CountyPittsburg County
StateOklahoma
Coordinates35.23914, -95.50716
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.1 US tons
Inventory rating30.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20
Structure length633 ft (192.9 m)
Longest span200 ft (61 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2022)
Projected traffic10,400 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$6.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 9 over Longtown Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is S.H. 9 over Longtown 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 September 2024.

How much traffic does S.H. 9 over Longtown Creek carry?

About 6,500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 9 over Longtown Creek?

The structure is 633 ft (192.9 m) long with a longest span of 200 ft (61 m) and a deck 31 ft wide.

Who owns S.H. 9 over Longtown Creek?

It is owned by the State Highway Agency.