US Bridges

Iah Conn C over Hardy Toll RD & Conns

Fair

Harris County, Texas · 1.4 MI N of Beltway 8 · Structure no. 121020TOL010101

Built
2000
25 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,553 ft
10 main spans
Daily traffic
8,000
2015 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Iah Conn C over Hardy Toll RD & Conns is a prestressed concrete stringer/multi-beam or girder carrying Iah Conn C over Hardy Toll RD & Conns in Harris County, Texas. It was built in 2000, so it is 25 years old, younger 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 6 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 8,000 vehicles a day, roughly 3% of them trucks, projected to reach 10,000 by 2035. The structure is 1,553 ft (473.4 m) long and 28 ft wide.

Location

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CarriesIah Conn C
CrossesHardy Toll RD & Conns
Location1.4 MI N of Beltway 8
CountyHarris County
StateTexas
Coordinates29.95751, -95.37679
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10 (+4 approach)
Design loadHS 20
Structure length1,553 ft (473.4 m)
Longest span125 ft (38.1 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2015)
Projected traffic10,000 by 2035
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollToll bridge segment under Secretarial agreement
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 Iah Conn C over Hardy Toll RD & Conns built?

It was built in 2000, making it 25 years old in 2025.

What condition is Iah Conn C over Hardy Toll RD & Conns 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 December 2023.

How much traffic does Iah Conn C over Hardy Toll RD & Conns carry?

About 8,000 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Iah Conn C over Hardy Toll RD & Conns?

The structure is 1,553 ft (473.4 m) long with a longest span of 125 ft (38.1 m) and a deck 28 ft wide.

Who owns Iah Conn C over Hardy Toll RD & Conns?

It is owned by the Local Toll Authority.