US Bridges

U.S. 377/SH 99 over Salt Creek

Good

Lincoln County, Oklahoma · 1.26 N JCT S.H. 66 · Structure no. 314790000000000

Built
2021
4 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
58 ft
3 main spans
Daily traffic
3,400
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 377/SH 99 over Salt Creek is a concrete culvert carrying U.S. 377/SH 99 over Salt Creek in Lincoln County, Oklahoma. It was built in 2021, so it is 4 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 3,400 vehicles a day, roughly 13% of them trucks, projected to reach 4,800 by 2042. The structure is 58 ft (17.8 m) long.

CarriesU.S. 377/SH 99
CrossesSalt Creek
Location1.26 N JCT S.H. 66
RouteU.S. Route 377
Coordinates35.76722, -96.66278
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating61.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length58 ft (17.8 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic3,400 (2022)
Projected traffic4,800 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 U.S. 377/SH 99 over Salt Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is U.S. 377/SH 99 over Salt 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 August 2024.

How much traffic does U.S. 377/SH 99 over Salt Creek carry?

About 3,400 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is U.S. 377/SH 99 over Salt Creek?

The structure is 58 ft (17.8 m) long with a longest span of 18 ft (5.5 m).

Who owns U.S. 377/SH 99 over Salt Creek?

It is owned by the State Highway Agency.