US Bridges

SH 6 over Drain

Good

Grimes County, Texas · 0.55 MI S of SH 90 · Structure no. 170940005003050

Built
1970
55 years old, rebuilt 1975
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
26 ft
4 main spans
Daily traffic
27,241
2020 count
Owner
State
State Highway Agency

About this bridge

SH 6 over Drain is a concrete culvert carrying SH 6 over Drain in Grimes County, Texas. It was built in 1970 and reconstructed in 1975, 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 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 27,241 vehicles a day, roughly 17% of them trucks, projected to reach 44,345 by 2039. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 6
CrossesDrain
Location0.55 MI S of SH 90
RouteState Highway 6
StateTexas
Coordinates30.3892, -96.06889
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length26 ft (7.9 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 traffic27,241 (2020)
Projected traffic44,345 by 2039
Trucks17%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 6 over Drain built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1975.

What condition is SH 6 over Drain 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 May 2023.

How much traffic does SH 6 over Drain carry?

About 27,241 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is SH 6 over Drain?

The structure is 26 ft (7.9 m) long with a longest span of 6 ft (1.8 m).

Who owns SH 6 over Drain?

It is owned by the State Highway Agency.