US Bridges

N2990 over Baker Creek Trib.

Good

Jefferson County, Oklahoma · 5.5W 2.8N JCT SH89/SH32 · Structure no. 316120000000000

Built
2017
8 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N2990 over Baker Creek Trib. is a prestressed concrete stringer/multi-beam or girder carrying N2990 over Baker Creek Trib. in Jefferson County, Oklahoma. It was built in 2017, so it is 8 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 8 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 85 ft (25.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN2990
CrossesBaker Creek Trib.
Location5.5W 2.8N JCT SH89/SH32
RouteCounty Highway N2990
Coordinates34.02467, -97.66545
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span85 ft (25.9 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 closed1.2 mi (2 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 N2990 over Baker Creek Trib. built?

It was built in 2017, making it 8 years old in 2025.

What condition is N2990 over Baker Creek Trib. 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 May 2023.

How much traffic does N2990 over Baker Creek Trib. carry?

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

How long is N2990 over Baker Creek Trib.?

The structure is 85 ft (25.9 m) long with a longest span of 85 ft (25.9 m) and a deck 28 ft wide.

Who owns N2990 over Baker Creek Trib.?

It is owned by the County Highway Agency.