US Bridges

D4378 over Manard Bayou Creek

Good

Muskogee County, Oklahoma · 2.5S 1.7E of Ft. Gibson · Structure no. 273430000000000

Built
2010
15 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
267 ft
3 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

D4378 over Manard Bayou Creek is a prestressed concrete stringer/multi-beam or girder carrying D4378 over Manard Bayou Creek in Muskogee County, Oklahoma. It was built in 2010, so it is 15 years old, younger 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2042. The structure is 267 ft (81.5 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesD4378
CrossesManard Bayou Creek
Location2.5S 1.7E of Ft. Gibson
RouteCounty Highway D4378
CountyMuskogee County
StateOklahoma
Coordinates35.76056, -95.21972
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.1 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length267 ft (81.5 m)
Longest span105 ft (32 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic200 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was D4378 over Manard Bayou Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is D4378 over Manard Bayou Creek 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 April 2023.

How much traffic does D4378 over Manard Bayou Creek carry?

About 200 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is D4378 over Manard Bayou Creek?

The structure is 267 ft (81.5 m) long with a longest span of 105 ft (32 m) and a deck 29 ft wide.

Who owns D4378 over Manard Bayou Creek?

It is owned by the County Highway Agency.