US Bridges

N3530 Gary RD over Little Glasses Creek

Fair

Marshall County, Oklahoma · .4 W 2.3 N of Kingston · Structure no. 050000000000000

Built
1936
89 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
111 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3530 Gary RD over Little Glasses Creek is a steel stringer/multi-beam or girder carrying N3530 Gary RD over Little Glasses Creek in Marshall County, Oklahoma. It was built in 1936, so it is 89 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 111 ft (33.8 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN3530 Gary RD
CrossesLittle Glasses Creek
Location.4 W 2.3 N of Kingston
RouteCounty Highway N3530
Coordinates34.03153, -96.72629
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length111 ft (33.8 m)
Longest span37 ft (11.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$537,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3530 Gary RD over Little Glasses Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is N3530 Gary RD over Little 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 October 2023.

How much traffic does N3530 Gary RD over Little Glasses Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3530 Gary RD over Little Glasses Creek?

The structure is 111 ft (33.8 m) long with a longest span of 37 ft (11.3 m) and a deck 27 ft wide.

Who owns N3530 Gary RD over Little Glasses Creek?

It is owned by the County Highway Agency.