US Bridges

Glenn Smith Rd. over I-40 under

Fair

Custer County, Oklahoma · 0.3 MI E JCT U.S. 183 · Structure no. 174930000000000

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
158 ft
2 main spans
Daily traffic
125
2022 count
Owner
State
State Highway Agency

About this bridge

Glenn Smith Rd. over I-40 under is a steel continuous stringer/multi-beam or girder carrying Glenn Smith Rd. over I-40 under in Custer County, Oklahoma. It was built in 1969, so it is 56 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 125 vehicles a day, roughly 15% of them trucks, projected to reach 200 by 2042. The structure is 158 ft (48.2 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGlenn Smith Rd.
CrossesI-40 under
Location0.3 MI E JCT U.S. 183
RouteCounty Highway N2270
CountyCuster County
StateOklahoma
Coordinates35.5, -98.95861
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length158 ft (48.2 m)
Longest span78 ft (23.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2022)
Projected traffic200 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$1.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Glenn Smith Rd. over I-40 under built?

It was built in 1969, making it 56 years old in 2025.

What condition is Glenn Smith Rd. over I-40 under 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 Glenn Smith Rd. over I-40 under carry?

About 125 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Glenn Smith Rd. over I-40 under?

The structure is 158 ft (48.2 m) long with a longest span of 78 ft (23.8 m) and a deck 31 ft wide.

Who owns Glenn Smith Rd. over I-40 under?

It is owned by the State Highway Agency.