US Bridges

IH 610 SB over UP RR & Old Lib RD

Fair

Harris County, Texas · 0.5 MI NW of US 90 · Structure no. 121020027114120

Built
1964
61 years old, rebuilt 1977
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
665 ft
1 main span
Daily traffic
60,280
2013 count
Owner
State
State Highway Agency

About this bridge

IH 610 SB over UP RR & Old Lib RD is a steel stringer/multi-beam or girder carrying IH 610 SB over UP RR & Old Lib RD in Harris County, Texas. It was built in 1964 and reconstructed in 1977, so it is 61 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 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 60,280 vehicles a day, roughly 9% of them trucks, projected to reach 84,390 by 2033. The structure is 665 ft (202.7 m) long and 83 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesIH 610 SB
CrossesUP RR & Old Lib RD
Location0.5 MI NW of US 90
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.80256, -95.28026
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+11 approach)
Design loadHS 20
Structure length665 ft (202.7 m)
Longest span65 ft (19.8 m)
Deck width83 ft (25.2 m)
Roadway width80 ft (24.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,280 (2013)
Projected traffic84,390 by 2033
Trucks9%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$75,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 610 SB over UP RR & Old Lib RD built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1977.

What condition is IH 610 SB over UP RR & Old Lib 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 November 2024.

How much traffic does IH 610 SB over UP RR & Old Lib RD carry?

About 60,280 vehicles per day (2013 count), of which roughly 9% are trucks.

How long is IH 610 SB over UP RR & Old Lib RD?

The structure is 665 ft (202.7 m) long with a longest span of 65 ft (19.8 m) and a deck 83 ft wide.

Who owns IH 610 SB over UP RR & Old Lib RD?

It is owned by the State Highway Agency.