US Bridges

FM 1978 over Long Creek

Fair

Guadalupe County, Texas · 0.4 MI E of SH 123 · Structure no. 150950189702002

Built
1998
27 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
47 ft
5 main spans
Daily traffic
2,097
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1978 over Long Creek is a concrete culvert carrying FM 1978 over Long Creek in Guadalupe County, Texas. It was built in 1998, so it is 27 years old, younger 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 2,097 vehicles a day, roughly 23% of them trucks, projected to reach 2,870 by 2033. The structure is 47 ft (14.3 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM 1978
CrossesLong Creek
Location0.4 MI E of SH 123
RouteState Highway 1978
StateTexas
Coordinates29.79725, -97.93837
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 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 adequacy7: Better than 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 spans5
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span8 ft (2.4 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,097 (2020)
Projected traffic2,870 by 2033
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1978 over Long Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is FM 1978 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 July 2024.

How much traffic does FM 1978 over Long Creek carry?

About 2,097 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is FM 1978 over Long Creek?

The structure is 47 ft (14.3 m) long with a longest span of 8 ft (2.4 m) and a deck 33 ft wide.

Who owns FM 1978 over Long Creek?

It is owned by the State Highway Agency.