US Bridges

N Williams ST over Palo Blanco Creek

FairPosted for load

Brooks County, Texas · 0.15 MI N of SH 285 · Structure no. 210240B00560001

Built
1940
85 years old, rebuilt 1976
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
114
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Williams ST over Palo Blanco Creek is a concrete culvert carrying N Williams ST over Palo Blanco Creek in Brooks County, Texas. It was built in 1940 and reconstructed in 1976, so it is 85 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 5 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 114 vehicles a day, roughly 3% of them trucks, projected to reach 158 by 2042. The structure is 34 ft (10.4 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN Williams ST
CrossesPalo Blanco Creek
Location0.15 MI N of SH 285
RouteCity Street 0
StateTexas
Coordinates27.22798, -98.14004
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23 US tons
Inventory rating14 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span7 ft (2.1 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114 (2024)
Projected traffic158 by 2042
Trucks3%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N Williams ST over Palo Blanco Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1976.

What condition is N Williams ST over Palo Blanco Creek 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 April 2024.

How much traffic does N Williams ST over Palo Blanco Creek carry?

About 114 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is N Williams ST over Palo Blanco Creek?

The structure is 34 ft (10.4 m) long with a longest span of 7 ft (2.1 m) and a deck 21 ft wide.

Who owns N Williams ST over Palo Blanco Creek?

It is owned by the City or Municipal Highway Agency.