US Bridges

N3690 (fas 1505) over Clear Boggy Creek

Good

Coal County, Oklahoma · 6.5 N of Clarita · Structure no. 319420000000000

Built
2018
7 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
163 ft
3 main spans
Daily traffic
125
2022 count
Owner
County
County Highway Agency

About this bridge

N3690 (fas 1505) over Clear Boggy Creek is a prestressed concrete stringer/multi-beam or girder carrying N3690 (fas 1505) over Clear Boggy Creek in Coal County, Oklahoma. It was built in 2018, so it is 7 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 125 vehicles a day, roughly 15% of them trucks, projected to reach 200 by 2042. The structure is 163 ft (49.8 m) long and 29 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesN3690 (fas 1505)
CrossesClear Boggy Creek
Location6.5 N of Clarita
RouteCounty Highway N3690
Coordinates34.57338, -96.44204
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.8 m)
Longest span80 ft (24.4 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 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
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N3690 (fas 1505) over Clear Boggy Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is N3690 (fas 1505) over Clear 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 January 2024.

How much traffic does N3690 (fas 1505) over Clear Boggy Creek carry?

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

How long is N3690 (fas 1505) over Clear Boggy Creek?

The structure is 163 ft (49.8 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.

Who owns N3690 (fas 1505) over Clear Boggy Creek?

It is owned by the County Highway Agency.