US Bridges

SH 99 Ml & FR over Channel F

Good

Chambers County, Texas · 2.0 MI E of FM 1405 · Structure no. 200360351010045

Built
2006
19 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
62 ft
8 main spans
Daily traffic
8,015
2022 count
Owner
State
State Highway Agency

About this bridge

SH 99 Ml & FR over Channel F is a concrete culvert carrying SH 99 Ml & FR over Channel F in Chambers County, Texas. It was built in 2006, so it is 19 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,015 vehicles a day, roughly 20% of them trucks, projected to reach 4,780 by 2033. The structure is 62 ft (18.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 99 Ml & FR
CrossesChannel F
Location2.0 MI E of FM 1405
RouteState Highway 99
StateTexas
Coordinates29.72899, -94.8824
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 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
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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans8
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,015 (2022)
Projected traffic4,780 by 2033
Trucks20%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Toll Authority
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 SH 99 Ml & FR over Channel F built?

It was built in 2006, making it 19 years old in 2025.

What condition is SH 99 Ml & FR over Channel F in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does SH 99 Ml & FR over Channel F carry?

About 8,015 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is SH 99 Ml & FR over Channel F?

The structure is 62 ft (18.9 m) long with a longest span of 6 ft (1.8 m).

Who owns SH 99 Ml & FR over Channel F?

It is owned by the State Highway Agency and maintained by the State Toll Authority.