US Bridges

SH 6 Efr over Drain

Good

Brazos County, Texas · 0.05 MI N of SH 30 · Structure no. 170210004912100

Built
1971
54 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
4,420
2013 count
Owner
State
State Highway Agency

About this bridge

SH 6 Efr over Drain is a concrete culvert carrying SH 6 Efr over Drain in Brazos County, Texas. It was built in 1971, so it is 54 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 4,420 vehicles a day, roughly 9% of them trucks, projected to reach 6,190 by 2033. The structure is 26 ft (7.9 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 6 Efr
CrossesDrain
Location0.05 MI N of SH 30
RouteState Highway 6
StateTexas
Coordinates30.63103, -96.30172
Functional classUrban Collector

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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span7 ft (2.1 m)
Deck width48 ft (14.7 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,420 (2013)
Projected traffic6,190 by 2033
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$80,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 6 Efr over Drain built?

It was built in 1971, making it 54 years old in 2025.

What condition is SH 6 Efr 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 February 2023.

How much traffic does SH 6 Efr over Drain carry?

About 4,420 vehicles per day (2013 count), of which roughly 9% are trucks.

How long is SH 6 Efr over Drain?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2.1 m) and a deck 48 ft wide.

Who owns SH 6 Efr over Drain?

It is owned by the State Highway Agency.