US Bridges

US 59 SB Exit over Runnels

Fair

Harris County, Texas · At US59 IH10 Interchange · Structure no. 121020017711276

Built
2003
22 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,634 ft
12 main spans
Daily traffic
10,014
2023 count
Owner
State
State Highway Agency

About this bridge

US 59 SB Exit over Runnels is a prestressed concrete stringer/multi-beam or girder carrying US 59 SB Exit over Runnels in Harris County, Texas. It was built in 2003, so it is 22 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,014 vehicles a day, roughly 5% of them trucks, projected to reach 40,440 by 2027. The structure is 1,634 ft (498 m) long and 39 ft wide.

CarriesUS 59 SB Exit
CrossesRunnels
LocationAt US59 IH10 Interchange
RouteU.S. Route 59
StateTexas
Coordinates29.76385, -95.35042
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans12 (+4 approach)
Design loadHS 20
Structure length1,634 ft (498 m)
Longest span120 ft (36.6 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic10,014 (2023)
Projected traffic40,440 by 2027
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate 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 Exit over Runnels built?

It was built in 2003, making it 22 years old in 2025.

What condition is US 59 SB Exit over Runnels in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does US 59 SB Exit over Runnels carry?

About 10,014 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 59 SB Exit over Runnels?

The structure is 1,634 ft (498 m) long with a longest span of 120 ft (36.6 m) and a deck 39 ft wide.

Who owns US 59 SB Exit over Runnels?

It is owned by the State Highway Agency.