US Bridges

SH 6 over Unnamed Channel

Good

Brazoria County, Texas · 2.0 MI W of SH 288 · Structure no. 120200019202056

Built
2004
21 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
30,474
2022 count
Owner
State
State Highway Agency

About this bridge

SH 6 over Unnamed Channel is a concrete culvert carrying SH 6 over Unnamed Channel in Brazoria County, Texas. It was built in 2004, so it is 21 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 30,474 vehicles a day, roughly 5% of them trucks, projected to reach 53,025 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 6
CrossesUnnamed Channel
Location2.0 MI W of SH 288
RouteState Highway 6
StateTexas
Coordinates29.49316, -95.43231
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
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 spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,474 (2022)
Projected traffic53,025 by 2042
Trucks5%
Lanes on structure7
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 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 SH 6 over Unnamed Channel built?

It was built in 2004, making it 21 years old in 2025.

What condition is SH 6 over Unnamed Channel 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 December 2024.

How much traffic does SH 6 over Unnamed Channel carry?

About 30,474 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is SH 6 over Unnamed Channel?

The structure is 27 ft (8.2 m) long with a longest span of 7 ft (2.1 m).

Who owns SH 6 over Unnamed Channel?

It is owned by the State Highway Agency.