US Bridges

S.H. 33 over Gar Creek

Fair

Logan County, Oklahoma · 2.8 MI E JCT SH 74 · Structure no. 031640000000000

Built
1930
95 years old, rebuilt 1970
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
3 main spans
Daily traffic
3,400
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 33 over Gar Creek is a steel stringer/multi-beam or girder carrying S.H. 33 over Gar Creek in Logan County, Oklahoma. It was built in 1930 and reconstructed in 1970, so it is 95 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 3,400 vehicles a day, roughly 16% of them trucks, projected to reach 5,440 by 2042. The structure is 117 ft (35.7 m) long and 33 ft wide. If it were closed, the detour would be 46 mi (74 km).

CarriesS.H. 33
CrossesGar Creek
Location2.8 MI E JCT SH 74
RouteState Highway 33
Coordinates35.87123, -97.53272
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.
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 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length117 ft (35.7 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2022)
Projected traffic5,440 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 33 over Gar Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1970.

What condition is S.H. 33 over Gar 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. 33 over Gar Creek carry?

About 3,400 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 33 over Gar Creek?

The structure is 117 ft (35.7 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns S.H. 33 over Gar Creek?

It is owned by the State Highway Agency.