US Bridges

SH 349 over Big Canyon

Fair

Terrell County, Texas · 16.6 MI N of US 90 · Structure no. 062220055606026

Built
1967
58 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
400 ft
10 main spans
Daily traffic
54
2023 count
Owner
State
State Highway Agency

About this bridge

SH 349 over Big Canyon is a concrete stringer/multi-beam or girder carrying SH 349 over Big Canyon in Terrell County, Texas. It was built in 1967, so it is 58 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 54 vehicles a day, roughly 22% of them trucks, projected to reach 66 by 2040. The structure is 400 ft (121.9 m) long and 28 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesSH 349
CrossesBig Canyon
Location16.6 MI N of US 90
RouteState Highway 349
CountyTerrell County
StateTexas
Coordinates30.25632, -102.00916
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadH 15
Structure length400 ft (121.9 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2023)
Projected traffic66 by 2040
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 Big Canyon built?

It was built in 1967, making it 58 years old in 2025.

What condition is SH 349 over Big 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 August 2023.

How much traffic does SH 349 over Big Canyon carry?

About 54 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is SH 349 over Big Canyon?

The structure is 400 ft (121.9 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns SH 349 over Big Canyon?

It is owned by the State Highway Agency.