US Bridges

Kelley ST over US 59

Fair

Harris County, Texas · 0.35 MI N of IH 610 · Structure no. 121020017711410

Built
1975
50 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
2 main spans
Daily traffic
8,440
2010 count
Owner
State
State Highway Agency

About this bridge

Kelley ST over US 59 is a prestressed concrete stringer/multi-beam or girder carrying Kelley ST over US 59 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 8,440 vehicles a day, projected to reach 12,000 by 2030. The structure is 240 ft (73.2 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKelley ST
CrossesUS 59
Location0.35 MI N of IH 610
RouteCity Street 7
CountyHarris County
StateTexas
Coordinates29.81338, -95.33526
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 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

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span120 ft (36.6 m)
Deck width94 ft (28.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,440 (2010)
Projected traffic12,000 by 2030
Trucks0%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Kelley ST over US 59 built?

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

What condition is Kelley ST over US 59 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 2022.

How much traffic does Kelley ST over US 59 carry?

About 8,440 vehicles per day (2010 count).

How long is Kelley ST over US 59?

The structure is 240 ft (73.2 m) long with a longest span of 120 ft (36.6 m) and a deck 94 ft wide.

Who owns Kelley ST over US 59?

It is owned by the State Highway Agency.