US Bridges

CR 171 (ave F) over Corner Bayou

Poor

Brazoria County, Texas · 0.25 MI SW of CR 203 · Structure no. 120200AA0813002

Built
1984
41 years old
Condition
Poor
inspected November 2023
Type
Culvert
Steel
Length
23 ft
3 main spans
Daily traffic
720
2017 count
Owner
County
County Highway Agency

About this bridge

CR 171 (ave F) over Corner Bayou is a steel culvert carrying CR 171 (ave F) over Corner Bayou in Brazoria County, Texas. It was built in 1984, so it is 41 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 720 vehicles a day, roughly 1% of them trucks, projected to reach 1,300 by 2037. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCR 171 (ave F)
CrossesCorner Bayou
Location0.25 MI SW of CR 203
RouteCounty Highway 171
CountyBrazoria County
StateTexas
Coordinates29.29284, -95.28201
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: 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 rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2017)
Projected traffic1,300 by 2037
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

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

Frequently asked questions

When was CR 171 (ave F) over Corner Bayou built?

It was built in 1984, making it 41 years old in 2025.

What condition is CR 171 (ave F) over Corner Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does CR 171 (ave F) over Corner Bayou carry?

About 720 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is CR 171 (ave F) over Corner Bayou?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m).

Who owns CR 171 (ave F) over Corner Bayou?

It is owned by the County Highway Agency.