US Bridges

IH 10 over SH 99 & Hackberry Gully

Fair

Chambers County, Texas · 2.0 MI E of SH 146 · Structure no. 200360050802349

Built
2007
18 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,765 ft
15 main spans
Daily traffic
86,090
2024 count
Owner
State
State Highway Agency

About this bridge

IH 10 over SH 99 & Hackberry Gully is a prestressed concrete stringer/multi-beam or girder carrying IH 10 over SH 99 & Hackberry Gully in Chambers County, Texas. It was built in 2007, so it is 18 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 86,090 vehicles a day, roughly 21% of them trucks, projected to reach 85,080 by 2033. The structure is 1,765 ft (538 m) long and 127 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 10
CrossesSH 99 & Hackberry Gully
Location2.0 MI E of SH 146
RouteInterstate 10
CountyChambers County
StateTexas
Coordinates29.82444, -94.86616
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
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, precast panels
Main spans15 (+1 approach)
Design loadHS 20
Structure length1,765 ft (538 m)
Longest span115 ft (35.1 m)
Deck width127 ft (38.6 m)
Roadway width122 ft (37.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86,090 (2024)
Projected traffic85,080 by 2033
Trucks21%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 10 over SH 99 & Hackberry Gully built?

It was built in 2007, making it 18 years old in 2025.

What condition is IH 10 over SH 99 & Hackberry Gully 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 June 2024.

How much traffic does IH 10 over SH 99 & Hackberry Gully carry?

About 86,090 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is IH 10 over SH 99 & Hackberry Gully?

The structure is 1,765 ft (538 m) long with a longest span of 115 ft (35.1 m) and a deck 127 ft wide.

Who owns IH 10 over SH 99 & Hackberry Gully?

It is owned by the State Highway Agency.