US Bridges

Ladd Rd. over I-35 under

Good

McClain County, Oklahoma · 5.9 S of Cleveland C/L · Structure no. 309650000000000

Built
2020
5 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
333 ft
4 main spans
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

Ladd Rd. over I-35 under is a steel continuous stringer/multi-beam or girder carrying Ladd Rd. over I-35 under in McClain County, Oklahoma. It was built in 2020, so it is 5 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 1,100 vehicles a day, roughly 13% of them trucks, projected to reach 1,800 by 2042. The structure is 333 ft (101.4 m) long and 42 ft wide.

CarriesLadd Rd.
CrossesI-35 under
Location5.9 S of Cleveland C/L
RouteCounty Highway 0
Coordinates35.11702, -97.44358
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.4 US tons
Inventory rating42.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length333 ft (101.4 m)
Longest span115 ft (35.1 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,800 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ladd Rd. over I-35 under built?

It was built in 2020, making it 5 years old in 2025.

What condition is Ladd Rd. over I-35 under 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 September 2023.

How much traffic does Ladd Rd. over I-35 under carry?

About 1,100 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Ladd Rd. over I-35 under?

The structure is 333 ft (101.4 m) long with a longest span of 115 ft (35.1 m) and a deck 42 ft wide.

Who owns Ladd Rd. over I-35 under?

It is owned by the State Highway Agency.