US Bridges

S.H. 59 over Second Creek

Good

McClain County, Oklahoma · 2.5 Mi. W. Jct. SH74 · Structure no. 240780000000000

Built
1995
30 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
450
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 59 over Second Creek is a concrete culvert carrying S.H. 59 over Second Creek in McClain County, Oklahoma. It was built in 1995, so it is 30 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 450 vehicles a day, roughly 15% of them trucks, projected to reach 720 by 2042. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesS.H. 59
CrossesSecond Creek
Location2.5 Mi. W. Jct. SH74
RouteState Highway 59
Coordinates34.91348, -97.45053
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic720 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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 59 over Second Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is S.H. 59 over Second 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 July 2023.

How much traffic does S.H. 59 over Second Creek carry?

About 450 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 59 over Second Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns S.H. 59 over Second Creek?

It is owned by the State Highway Agency.