US Bridges

Port Access RD over IH 610

Fair

Harris County, Texas · 2.65 MI S of IH 10 · Structure no. 121020027115334

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
2 main spans
Daily traffic
500
2009 count
Owner
State
State Highway Agency

About this bridge

Port Access RD over IH 610 is a prestressed concrete stringer/multi-beam or girder carrying Port Access RD over IH 610 in Harris County, Texas. It was built in 1970, so it is 55 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 600 by 2029. The structure is 240 ft (73.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPort Access RD
CrossesIH 610
Location2.65 MI S of IH 10
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.7368, -95.26546
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length240 ft (73.2 m)
Longest span84 ft (25.6 m)
Deck width34 ft (10.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2009)
Projected traffic600 by 2029
Trucks5%
Lanes on structure1
Traffic directionOne-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$15,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Port Access RD over IH 610 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Port Access RD over IH 610 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 August 2024.

How much traffic does Port Access RD over IH 610 carry?

About 500 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Port Access RD over IH 610?

The structure is 240 ft (73.2 m) long with a longest span of 84 ft (25.6 m) and a deck 34 ft wide.

Who owns Port Access RD over IH 610?

It is owned by the State Highway Agency.