US Bridges

CR 433 over Colorado River

FairPosted for load

Mills County, Texas · 0.00 MI N of San Saba C/L · Structure no. 231670AA0127001

Built
1939
86 years old, rebuilt 1999
Condition
Fair
inspected November 2024
Type
Suspension
Wood or Timber
Length
403 ft
1 main span
Daily traffic
100
2013 count
Owner
County
County Highway Agency

About this bridge

CR 433 over Colorado River is a wood or timber suspension carrying CR 433 over Colorado River in Mills County, Texas. It was built in 1939 and reconstructed in 1999, so it is 86 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 100 by 2033. The structure is 403 ft (122.8 m) long and 16 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCR 433
CrossesColorado River
Location0.00 MI N of San Saba C/L
RouteCounty Highway 433
StateTexas
Coordinates31.41062, -98.84632
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating10 US tons
Inventory rating6 US tons

Structure

Structure typeSuspension
MaterialWood or Timber
DeckWood or timber
Main spans1 (+3 approach)
Design loadUnknown
Structure length403 ft (122.8 m)
Longest span344 ft (104.9 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic100 (2013)
Projected traffic100 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$29,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 433 over Colorado River built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1999.

What condition is CR 433 over Colorado River 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 November 2024.

How much traffic does CR 433 over Colorado River carry?

About 100 vehicles per day (2013 count).

How long is CR 433 over Colorado River?

The structure is 403 ft (122.8 m) long with a longest span of 344 ft (104.9 m) and a deck 16 ft wide.

Who owns CR 433 over Colorado River?

It is owned by the County Highway Agency.