US Bridges

S.H. 99 over Glasses Creek

Fair

Marshall County, Oklahoma · 1.19 NE JCT US-70 · Structure no. 037660000000000

Built
1932
93 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
134 ft
3 main spans
Daily traffic
2,300
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 99 over Glasses Creek is a steel continuous stringer/multi-beam or girder carrying S.H. 99 over Glasses Creek in Marshall County, Oklahoma. It was built in 1932, so it is 93 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 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 2,300 vehicles a day, roughly 16% of them trucks, projected to reach 3,680 by 2042. The structure is 134 ft (40.8 m) long and 27 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

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CarriesS.H. 99
CrossesGlasses Creek
Location1.19 NE JCT US-70
RouteState Highway 99
CountyMarshall County
StateOklahoma
Coordinates34.10013, -96.75606
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length134 ft (40.8 m)
Longest span60 ft (18.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2022)
Projected traffic3,680 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$1.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 99 over Glasses Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is S.H. 99 over Glasses 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 January 2023.

How much traffic does S.H. 99 over Glasses Creek carry?

About 2,300 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 99 over Glasses Creek?

The structure is 134 ft (40.8 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.

Who owns S.H. 99 over Glasses Creek?

It is owned by the State Highway Agency.