US Bridges

IH 610 NB over UP RR & Old Lib RD

Fair

Harris County, Texas · 0.5 MI NW of US 90 · Structure no. 121020027114061

Built
1953
72 years old, rebuilt 1977
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
652 ft
1 main span
Daily traffic
71,745
2021 count
Owner
State
State Highway Agency

About this bridge

IH 610 NB over UP RR & Old Lib RD is a steel stringer/multi-beam or girder carrying IH 610 NB over UP RR & Old Lib RD in Harris County, Texas. It was built in 1953 and reconstructed in 1977, so it is 72 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 71,745 vehicles a day, roughly 11% of them trucks, projected to reach 100,443 by 2041. The structure is 652 ft (198.7 m) long and 71 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesIH 610 NB
CrossesUP RR & Old Lib RD
Location0.5 MI NW of US 90
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.80273, -95.28011
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.3 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+12 approach)
Design loadOther
Structure length652 ft (198.7 m)
Longest span55 ft (16.8 m)
Deck width71 ft (21.5 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71,745 (2021)
Projected traffic100,443 by 2041
Trucks11%
Lanes on structure4
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$60,000
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1977.

What condition is IH 610 NB 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 October 2024.

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

About 71,745 vehicles per day (2021 count), of which roughly 11% are trucks.

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

The structure is 652 ft (198.7 m) long with a longest span of 55 ft (16.8 m) and a deck 71 ft wide.

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

It is owned by the State Highway Agency.