US Bridges

US 59 SB On-Ramp over US 59 SB Off-Ramp

Good

Harris County, Texas · 0.50 MI S Bus FM 1960 · Structure no. 121020017707302

Built
2001
24 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
995 ft
8 main spans
Daily traffic
16,059
2021 count
Owner
State
State Highway Agency

About this bridge

US 59 SB On-Ramp over US 59 SB Off-Ramp is a prestressed concrete stringer/multi-beam or girder carrying US 59 SB On-Ramp over US 59 SB Off-Ramp in Harris County, Texas. It was built in 2001, so it is 24 years old, younger than the Texas average of 44.4 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 16,059 vehicles a day, roughly 5% of them trucks, projected to reach 23,083 by 2041. The structure is 995 ft (303.3 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 59 SB On-Ramp
CrossesUS 59 SB Off-Ramp
Location0.50 MI S Bus FM 1960
RouteU.S. Route 59
StateTexas
Coordinates29.99783, -95.27127
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length995 ft (303.3 m)
Longest span130 ft (39.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,059 (2021)
Projected traffic23,083 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 59 SB On-Ramp over US 59 SB Off-Ramp built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 59 SB On-Ramp over US 59 SB Off-Ramp 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 October 2024.

How much traffic does US 59 SB On-Ramp over US 59 SB Off-Ramp carry?

About 16,059 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is US 59 SB On-Ramp over US 59 SB Off-Ramp?

The structure is 995 ft (303.3 m) long with a longest span of 130 ft (39.6 m) and a deck 27 ft wide.

Who owns US 59 SB On-Ramp over US 59 SB Off-Ramp?

It is owned by the State Highway Agency.