US Bridges

FM 1979 over Long Creek

Fair

Guadalupe County, Texas · 1.1 MI FR SH 123 · Structure no. 150950189803002

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
1,253
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1979 over Long Creek is a concrete culvert carrying FM 1979 over Long Creek in Guadalupe 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 1,253 vehicles a day, roughly 10% of them trucks, projected to reach 1,730 by 2033. The structure is 32 ft (9.8 m) long and 29 ft wide.

CarriesFM 1979
CrossesLong Creek
Location1.1 MI FR SH 123
RouteState Highway 1979
StateTexas
Coordinates29.77133, -97.929
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width29 ft (8.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,253 (2020)
Projected traffic1,730 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1979 over Long Creek built?

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

What condition is FM 1979 over Long 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 August 2024.

How much traffic does FM 1979 over Long Creek carry?

About 1,253 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FM 1979 over Long Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns FM 1979 over Long Creek?

It is owned by the State Highway Agency.