US Bridges

US 190/SH 21 over SH 6

Good

Brazos County, Texas · 1.28 MI SE of FM 974 · Structure no. 170210011701086

Built
1971
54 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
2 main spans
Daily traffic
22,667
2020 count
Owner
State
State Highway Agency

About this bridge

US 190/SH 21 over SH 6 is a prestressed concrete stringer/multi-beam or girder carrying US 190/SH 21 over SH 6 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 22,667 vehicles a day, roughly 14% of them trucks, projected to reach 20,000 by 2033. The structure is 220 ft (67.1 m) long and 87 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 190/SH 21
CrossesSH 6
Location1.28 MI SE of FM 974
RouteU.S. Route 190
StateTexas
Coordinates30.69652, -96.35895
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating32 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length220 ft (67.1 m)
Longest span110 ft (33.5 m)
Deck width87 ft (26.4 m)
Roadway width85 ft (25.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,667 (2020)
Projected traffic20,000 by 2033
Trucks14%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 190/SH 21 over SH 6 built?

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

What condition is US 190/SH 21 over SH 6 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 US 190/SH 21 over SH 6 carry?

About 22,667 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is US 190/SH 21 over SH 6?

The structure is 220 ft (67.1 m) long with a longest span of 110 ft (33.5 m) and a deck 87 ft wide.

Who owns US 190/SH 21 over SH 6?

It is owned by the State Highway Agency.