US Bridges

US 59 SB over Chimney Rock RD

Fair

Harris County, Texas · 1.00 MI W of IH 610 W · Structure no. 121020002713215

Built
1993
32 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
265 ft
3 main spans
Daily traffic
146,960
2011 count
Owner
State
State Highway Agency

About this bridge

US 59 SB over Chimney Rock RD is a prestressed concrete stringer/multi-beam or girder carrying US 59 SB over Chimney Rock RD in Harris County, Texas. It was built in 1993, so it is 32 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 5 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 146,960 vehicles a day, roughly 6% of them trucks, projected to reach 205,750 by 2031. The structure is 265 ft (80.8 m) long and 102 ft wide.

CarriesUS 59 SB
CrossesChimney Rock RD
Location1.00 MI W of IH 610 W
RouteU.S. Route 59
StateTexas
Coordinates29.7259, -95.47645
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 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 spans3
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span97 ft (29.6 m)
Deck width102 ft (31.1 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic146,960 (2011)
Projected traffic205,750 by 2031
Trucks6%
Lanes on structure6
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
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 over Chimney Rock RD built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 59 SB over Chimney Rock RD 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 over Chimney Rock RD carry?

About 146,960 vehicles per day (2011 count), of which roughly 6% are trucks.

How long is US 59 SB over Chimney Rock RD?

The structure is 265 ft (80.8 m) long with a longest span of 97 ft (29.6 m) and a deck 102 ft wide.

Who owns US 59 SB over Chimney Rock RD?

It is owned by the State Highway Agency.