US Bridges

US 59 NB over Colorado River S Relief

Fair

Wharton County, Texas · 1.3 MI S of FM 102 · Structure no. 132410008907126

Built
1972
53 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
440 ft
11 main spans
Daily traffic
13,901
2021 count
Owner
State
State Highway Agency

About this bridge

US 59 NB over Colorado River S Relief is a concrete stringer/multi-beam or girder carrying US 59 NB over Colorado River S Relief in Wharton County, Texas. It was built in 1972, so it is 53 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.

It carries about 13,901 vehicles a day, roughly 23% of them trucks, projected to reach 20,018 by 2041. The structure is 440 ft (134.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 59 NB
CrossesColorado River S Relief
Location1.3 MI S of FM 102
RouteU.S. Route 59
StateTexas
Coordinates29.30831, -96.12567
Functional classRural Principal Arterial - Other

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 inspectionJanuary 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 geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length440 ft (134.1 m)
Longest span40 ft (12.2 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,901 (2021)
Projected traffic20,018 by 2041
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 59 NB over Colorado River S Relief built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 59 NB over Colorado River S 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 January 2023.

How much traffic does US 59 NB over Colorado River S Relief carry?

About 13,901 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is US 59 NB over Colorado River S Relief?

The structure is 440 ft (134.1 m) long with a longest span of 40 ft (12.2 m) and a deck 44 ft wide.

Who owns US 59 NB over Colorado River S Relief?

It is owned by the State Highway Agency.