US Bridges

SH 285 over Palo Blanco Creek

Good

Brooks County, Texas · 14.6 MI W of FM 754 · Structure no. 210240048202007

Built
1978
47 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
53 ft
5 main spans
Daily traffic
1,630
2024 count
Owner
State
State Highway Agency

About this bridge

SH 285 over Palo Blanco Creek is a concrete culvert carrying SH 285 over Palo Blanco Creek in Brooks County, Texas. It was built in 1978, so it is 47 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,630 vehicles a day, roughly 31% of them trucks, projected to reach 2,092 by 2042. The structure is 53 ft (16.2 m) long and 52 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesSH 285
CrossesPalo Blanco Creek
Location14.6 MI W of FM 754
RouteState Highway 285
StateTexas
Coordinates27.26369, -98.38682
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span10 ft (3 m)
Deck width52 ft (15.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,630 (2024)
Projected traffic2,092 by 2042
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 285 over Palo Blanco Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is SH 285 over Palo Blanco Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does SH 285 over Palo Blanco Creek carry?

About 1,630 vehicles per day (2024 count), of which roughly 31% are trucks.

How long is SH 285 over Palo Blanco Creek?

The structure is 53 ft (16.2 m) long with a longest span of 10 ft (3 m) and a deck 52 ft wide.

Who owns SH 285 over Palo Blanco Creek?

It is owned by the State Highway Agency.