US Bridges

US 59 NB On-Rp over Wheeler & Caroline ST

Fair

Harris County, Texas · 0.60 MI W of SH 288 · Structure no. 121020002713180

Built
1975
50 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
358 ft
1 main span
Daily traffic
11,082
2024 count
Owner
State
State Highway Agency

About this bridge

US 59 NB On-Rp over Wheeler & Caroline ST is a prestressed concrete stringer/multi-beam or girder carrying US 59 NB On-Rp over Wheeler & Caroline ST in Harris County, Texas. It was built in 1975, so it is 50 years old, older 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 11,082 vehicles a day, roughly 9% of them trucks, projected to reach 25,580 by 2033. The structure is 358 ft (109.1 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS 59 NB On-Rp
CrossesWheeler & Caroline ST
Location0.60 MI W of SH 288
RouteU.S. Route 59
CountyHarris County
StateTexas
Coordinates29.73233, -95.38108
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadHS 20
Structure length358 ft (109.1 m)
Longest span112 ft (34.1 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,082 (2024)
Projected traffic25,580 by 2033
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$18,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 59 NB On-Rp over Wheeler & Caroline ST built?

It was built in 1975, making it 50 years old in 2025.

What condition is US 59 NB On-Rp over Wheeler & Caroline ST 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 December 2022.

How much traffic does US 59 NB On-Rp over Wheeler & Caroline ST carry?

About 11,082 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is US 59 NB On-Rp over Wheeler & Caroline ST?

The structure is 358 ft (109.1 m) long with a longest span of 112 ft (34.1 m) and a deck 21 ft wide.

Who owns US 59 NB On-Rp over Wheeler & Caroline ST?

It is owned by the State Highway Agency.