US Bridges

Co. Rd. N3916 over I-40 under

Fair

Okmulgee County, Oklahoma · 2.64 E Okfuskee C/L · Structure no. 158280000000000

Built
1963
62 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
220 ft
2 main spans
Daily traffic
125
2022 count
Owner
State
State Highway Agency

About this bridge

Co. Rd. N3916 over I-40 under is a steel continuous stringer/multi-beam or girder carrying Co. Rd. N3916 over I-40 under in Okmulgee County, Oklahoma. It was built in 1963, so it is 62 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 10% of them trucks, projected to reach 200 by 2042. The structure is 220 ft (67.1 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCo. Rd. N3916
CrossesI-40 under
Location2.64 E Okfuskee C/L
RouteCounty Highway N3916
CountyOkmulgee County
StateOklahoma
Coordinates35.43133, -96.04125
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.3 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 15
Structure length220 ft (67.1 m)
Longest span75 ft (22.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2022)
Projected traffic200 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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$2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Co. Rd. N3916 over I-40 under built?

It was built in 1963, making it 62 years old in 2025.

What condition is Co. Rd. N3916 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 January 2023.

How much traffic does Co. Rd. N3916 over I-40 under carry?

About 125 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Co. Rd. N3916 over I-40 under?

The structure is 220 ft (67.1 m) long with a longest span of 75 ft (22.9 m) and a deck 27 ft wide.

Who owns Co. Rd. N3916 over I-40 under?

It is owned by the State Highway Agency.