US Bridges

N4370 over Muskogee Tp under

Good

Muskogee County, Oklahoma · 6 Mis NE JCT I-40 · Structure no. 172540000000000

Built
1968
57 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
147 ft
2 main spans
Daily traffic
150
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

N4370 over Muskogee Tp under is a prestressed concrete stringer/multi-beam or girder carrying N4370 over Muskogee Tp under in Muskogee County, Oklahoma. It was built in 1968, so it is 57 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 10% of them trucks, projected to reach 240 by 2042. The structure is 147 ft (44.8 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesN4370
CrossesMuskogee Tp under
Location6 Mis NE JCT I-40
RouteCounty Highway N4370
CountyMuskogee County
StateOklahoma
Coordinates35.55292, -95.2346
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length147 ft (44.8 m)
Longest span73 ft (22.3 m)
Deck width23 ft (7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic240 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was N4370 over Muskogee Tp under built?

It was built in 1968, making it 57 years old in 2025.

What condition is N4370 over Muskogee Tp under in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does N4370 over Muskogee Tp under carry?

About 150 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4370 over Muskogee Tp under?

The structure is 147 ft (44.8 m) long with a longest span of 73 ft (22.3 m) and a deck 23 ft wide.

Who owns N4370 over Muskogee Tp under?

It is owned by the State Toll Authority.