US Bridges

SH 320 over Live Oak Creek

Fair

Falls County, Texas · 3.60 MI SW of US 77 · Structure no. 090740059002015

Built
1947
78 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete
Length
150 ft
6 main spans
Daily traffic
1,575
2020 count
Owner
State
State Highway Agency

About this bridge

SH 320 over Live Oak Creek is a concrete slab carrying SH 320 over Live Oak Creek in Falls County, Texas. It was built in 1947, so it is 78 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.

It carries about 1,575 vehicles a day, roughly 8% of them trucks, projected to reach 2,410 by 2033. The structure is 150 ft (45.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 320
CrossesLive Oak Creek
Location3.60 MI SW of US 77
RouteState Highway 320
StateTexas
Coordinates31.17038, -97.08245
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating48.9 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length150 ft (45.7 m)
Longest span25 ft (7.6 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,575 (2020)
Projected traffic2,410 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 320 over Live Oak Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is SH 320 over Live Oak 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 January 2023.

How much traffic does SH 320 over Live Oak Creek carry?

About 1,575 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is SH 320 over Live Oak Creek?

The structure is 150 ft (45.7 m) long with a longest span of 25 ft (7.6 m) and a deck 30 ft wide.

Who owns SH 320 over Live Oak Creek?

It is owned by the State Highway Agency.