US Bridges

IH 610 Eb/Us 59 NB over IH 610 / US 59

Fair

Harris County, Texas · At US 59 & IH 610 N Loop · Structure no. 121020027114404

Built
1979
46 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,424 ft
4 main spans
Daily traffic
24,658
2021 count
Owner
State
State Highway Agency

About this bridge

IH 610 Eb/Us 59 NB over IH 610 / US 59 is a steel continuous stringer/multi-beam or girder carrying IH 610 Eb/Us 59 NB over IH 610 / US 59 in Harris County, Texas. It was built in 1979, so it is 46 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 24,658 vehicles a day, roughly 3% of them trucks, projected to reach 36,987 by 2041. The structure is 2,424 ft (738.8 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIH 610 Eb/Us 59 NB
CrossesIH 610 / US 59
LocationAt US 59 & IH 610 N Loop
RouteInterstate 610
StateTexas
Coordinates29.80861, -95.33624
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+26 approach)
Design loadHS 20
Structure length2,424 ft (738.8 m)
Longest span149 ft (45.4 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,658 (2021)
Projected traffic36,987 by 2041
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesFourth level (interchange)
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 610 Eb/Us 59 NB over IH 610 / US 59 built?

It was built in 1979, making it 46 years old in 2025.

What condition is IH 610 Eb/Us 59 NB over IH 610 / 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 October 2024.

How much traffic does IH 610 Eb/Us 59 NB over IH 610 / US 59 carry?

About 24,658 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is IH 610 Eb/Us 59 NB over IH 610 / US 59?

The structure is 2,424 ft (738.8 m) long with a longest span of 149 ft (45.4 m) and a deck 41 ft wide.

Who owns IH 610 Eb/Us 59 NB over IH 610 / US 59?

It is owned by the State Highway Agency.