US Bridges

Southwest Pkwy over SH 6

Fair

Brazos County, Texas · 0.85 MI SE of SH 30 · Structure no. 170210004912140

Built
1994
31 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
290 ft
2 main spans
Daily traffic
15,000
2011 count
Owner
State
State Highway Agency

About this bridge

Southwest Pkwy over SH 6 is a prestressed concrete box beam or girders - multiple carrying Southwest Pkwy over SH 6 in Brazos County, Texas. It was built in 1994, so it is 31 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 15,000 vehicles a day, roughly 1% of them trucks, projected to reach 10,350 by 2031. The structure is 290 ft (88.4 m) long and 73 ft wide.

CarriesSouthwest Pkwy
CrossesSH 6
Location0.85 MI SE of SH 30
RouteCity Street 0
StateTexas
Coordinates30.61852, -96.29567
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length290 ft (88.4 m)
Longest span100 ft (30.5 m)
Deck width73 ft (22.4 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2011)
Projected traffic10,350 by 2031
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Southwest Pkwy over SH 6 built?

It was built in 1994, making it 31 years old in 2025.

What condition is Southwest Pkwy over SH 6 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 February 2023.

How much traffic does Southwest Pkwy over SH 6 carry?

About 15,000 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Southwest Pkwy over SH 6?

The structure is 290 ft (88.4 m) long with a longest span of 100 ft (30.5 m) and a deck 73 ft wide.

Who owns Southwest Pkwy over SH 6?

It is owned by the State Highway Agency.