US Bridges

CR 450 over Brushy Creek Relief

Fair

Williamson County, Texas · 1.35 MI S of FM 112 · Structure no. 142460AA0375002

Built
1985
40 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
2 main spans
Daily traffic
262
2020 count
Owner
County
County Highway Agency

About this bridge

CR 450 over Brushy Creek Relief is a steel stringer/multi-beam or girder carrying CR 450 over Brushy Creek Relief in Williamson County, Texas. It was built in 1985, so it is 40 years old, younger 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 262 vehicles a day, roughly 2% of them trucks, projected to reach 625 by 2030. The structure is 78 ft (23.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 450
CrossesBrushy Creek Relief
Location1.35 MI S of FM 112
RouteCounty Highway 450
StateTexas
Coordinates30.53572, -97.29097
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length78 ft (23.8 m)
Longest span38 ft (11.6 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic262 (2020)
Projected traffic625 by 2030
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.7 mi (6 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 450 over Brushy Creek Relief built?

It was built in 1985, making it 40 years old in 2025.

What condition is CR 450 over Brushy Creek Relief 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 December 2023.

How much traffic does CR 450 over Brushy Creek Relief carry?

About 262 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is CR 450 over Brushy Creek Relief?

The structure is 78 ft (23.8 m) long with a longest span of 38 ft (11.6 m) and a deck 28 ft wide.

Who owns CR 450 over Brushy Creek Relief?

It is owned by the County Highway Agency.