US Bridges

SH 349 over Riffle Canyon

Fair

Pecos County, Texas · 3.75 MI S of US 190 · Structure no. 061860055603008

Built
1958
67 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
44 ft
5 main spans
Daily traffic
627
2020 count
Owner
State
State Highway Agency

About this bridge

SH 349 over Riffle Canyon is a concrete culvert carrying SH 349 over Riffle Canyon in Pecos County, Texas. It was built in 1958, so it is 67 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 627 vehicles a day, roughly 33% of them trucks, projected to reach 1,800 by 2033. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSH 349
CrossesRiffle Canyon
Location3.75 MI S of US 190
RouteState Highway 349
StateTexas
Coordinates30.86605, -101.87446
Functional classRural Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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
DeckNot applicable
Main spans5
Design loadOther
Structure length44 ft (13.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic627 (2020)
Projected traffic1,800 by 2033
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

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 SH 349 over Riffle Canyon built?

It was built in 1958, making it 67 years old in 2025.

What condition is SH 349 over Riffle Canyon 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 February 2023.

How much traffic does SH 349 over Riffle Canyon carry?

About 627 vehicles per day (2020 count), of which roughly 33% are trucks.

How long is SH 349 over Riffle Canyon?

The structure is 44 ft (13.4 m) long with a longest span of 8 ft (2.4 m).

Who owns SH 349 over Riffle Canyon?

It is owned by the State Highway Agency.