US Bridges

Douwn RD over Bonnie Lake

Poor

Waller County, Texas · 0.2 MI S of Cork ST · Structure no. 122370AA0294001

Built
1971
54 years old
Condition
Poor
inspected August 2023
Type
Other
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
190
2009 count
Owner
County
County Highway Agency

About this bridge

Douwn RD over Bonnie Lake is a prestressed concrete other carrying Douwn RD over Bonnie Lake in Waller 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 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 190 vehicles a day, projected to reach 295 by 2029. The structure is 32 ft (9.8 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDouwn RD
CrossesBonnie Lake
Location0.2 MI S of Cork ST
RouteCounty Highway 0
StateTexas
Coordinates30.1642, -96.01794
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2009)
Projected traffic295 by 2029
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Douwn RD over Bonnie Lake built?

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

What condition is Douwn RD over Bonnie Lake 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 August 2023.

How much traffic does Douwn RD over Bonnie Lake carry?

About 190 vehicles per day (2009 count).

How long is Douwn RD over Bonnie Lake?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns Douwn RD over Bonnie Lake?

It is owned by the County Highway Agency.