US Bridges

IH 610 WB IH 45 SB over Ramp B F Andih 610 EB

Fair

Harris County, Texas · At IH 45 / IH 610 N Loop · Structure no. 121020050003420

Built
1961
64 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
462 ft
7 main spans
Daily traffic
16,510
2015 count
Owner
State
State Highway Agency

About this bridge

IH 610 WB IH 45 SB over Ramp B F Andih 610 EB is a concrete continuous slab carrying IH 610 WB IH 45 SB over Ramp B F Andih 610 EB in Harris County, Texas. It was built in 1961, so it is 64 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 16,510 vehicles a day, roughly 9% of them trucks, projected to reach 23,110 by 2035. The structure is 462 ft (140.8 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 610 WB IH 45 SB
CrossesRamp B F Andih 610 EB
LocationAt IH 45 / IH 610 N Loop
RouteInterstate 610
CountyHarris County
StateTexas
Coordinates29.81419, -95.37523
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7 (+4 approach)
Design loadHS 20
Structure length462 ft (140.8 m)
Longest span58 ft (17.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic16,510 (2015)
Projected traffic23,110 by 2035
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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$33,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 610 WB IH 45 SB over Ramp B F Andih 610 EB built?

It was built in 1961, making it 64 years old in 2025.

What condition is IH 610 WB IH 45 SB over Ramp B F Andih 610 EB 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 WB IH 45 SB over Ramp B F Andih 610 EB carry?

About 16,510 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is IH 610 WB IH 45 SB over Ramp B F Andih 610 EB?

The structure is 462 ft (140.8 m) long with a longest span of 58 ft (17.7 m) and a deck 31 ft wide.

Who owns IH 610 WB IH 45 SB over Ramp B F Andih 610 EB?

It is owned by the State Highway Agency.