US Bridges

CR 210 over Austin Bayou

Fair

Brazoria County, Texas · 1.60 MI NE of CR 208 · Structure no. 120200AA0862004

Built
1959
66 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
61 ft
1 main span
Daily traffic
223
2016 count
Owner
County
County Highway Agency

About this bridge

CR 210 over Austin Bayou is a concrete tee beam carrying CR 210 over Austin Bayou in Brazoria County, Texas. It was built in 1959, so it is 66 years old, older 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 223 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2031. The structure is 61 ft (18.7 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCR 210
CrossesAustin Bayou
Location1.60 MI NE of CR 208
RouteCounty Highway 210
CountyBrazoria County
StateTexas
Coordinates29.22867, -95.30291
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length61 ft (18.7 m)
Longest span60 ft (18.3 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic223 (2016)
Projected traffic200 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 210 over Austin Bayou built?

It was built in 1959, making it 66 years old in 2025.

What condition is CR 210 over Austin Bayou 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 October 2023.

How much traffic does CR 210 over Austin Bayou carry?

About 223 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is CR 210 over Austin Bayou?

The structure is 61 ft (18.7 m) long with a longest span of 60 ft (18.3 m) and a deck 25 ft wide.

Who owns CR 210 over Austin Bayou?

It is owned by the County Highway Agency.