US Bridges

US 90 over Palma Canyon

Good

Terrell County, Texas · 19.6 MI E of SH 349 · Structure no. 062220002203011

Built
1933
92 years old, rebuilt 1964
Condition
Good
inspected August 2023
Type
Tee Beam
Concrete
Length
171 ft
6 main spans
Daily traffic
1,215
2023 count
Owner
State
State Highway Agency

About this bridge

US 90 over Palma Canyon is a concrete tee beam carrying US 90 over Palma Canyon in Terrell County, Texas. It was built in 1933 and reconstructed in 1964, so it is 92 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 1,215 vehicles a day, roughly 60% of them trucks, projected to reach 1,701 by 2040. The structure is 171 ft (52.1 m) long and 44 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS 90
CrossesPalma Canyon
Location19.6 MI E of SH 349
RouteU.S. Route 90
StateTexas
Coordinates29.89953, -101.85141
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length171 ft (52.1 m)
Longest span29 ft (8.8 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,215 (2023)
Projected traffic1,701 by 2040
Trucks60%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 90 over Palma Canyon built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1964.

What condition is US 90 over Palma Canyon 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 August 2023.

How much traffic does US 90 over Palma Canyon carry?

About 1,215 vehicles per day (2023 count), of which roughly 60% are trucks.

How long is US 90 over Palma Canyon?

The structure is 171 ft (52.1 m) long with a longest span of 29 ft (8.8 m) and a deck 44 ft wide.

Who owns US 90 over Palma Canyon?

It is owned by the State Highway Agency.