US Bridges

N3905 Mitchell RD over N Boggy Creek

Good

Atoka County, Oklahoma · .8W 2.1S of Stringtown · Structure no. 226630000000000

Built
1990
35 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
212 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3905 Mitchell RD over N Boggy Creek is a prestressed concrete stringer/multi-beam or girder carrying N3905 Mitchell RD over N Boggy Creek in Atoka County, Oklahoma. It was built in 1990, so it is 35 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 212 ft (64.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN3905 Mitchell RD
CrossesN Boggy Creek
Location.8W 2.1S of Stringtown
RouteCounty Highway N3905
Coordinates34.43958, -96.06743
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$738,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3905 Mitchell RD over N Boggy Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is N3905 Mitchell RD over N Boggy 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 February 2024.

How much traffic does N3905 Mitchell RD over N Boggy Creek carry?

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

How long is N3905 Mitchell RD over N Boggy Creek?

The structure is 212 ft (64.6 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns N3905 Mitchell RD over N Boggy Creek?

It is owned by the County Highway Agency.