US Bridges

FM 78 over Youngs Creek

Fair

Guadalupe County, Texas · 0.8 MI W of FM 725 · Structure no. 150950002510063

Built
1922
103 years old, rebuilt 1989
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
162 ft
8 main spans
Daily traffic
11,191
2023 count
Owner
State
State Highway Agency

About this bridge

FM 78 over Youngs Creek is a concrete slab carrying FM 78 over Youngs Creek in Guadalupe County, Texas. It was built in 1922 and reconstructed in 1989, so it is 103 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 11,191 vehicles a day, roughly 7% of them trucks, projected to reach 15,667 by 2042. The structure is 162 ft (49.4 m) long and 45 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesFM 78
CrossesYoungs Creek
Location0.8 MI W of FM 725
RouteState Highway 78
CountyGuadalupe County
StateTexas
Coordinates29.58939, -98.05428
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadUnknown
Structure length162 ft (49.4 m)
Longest span21 ft (6.4 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,191 (2023)
Projected traffic15,667 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$649,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 78 over Youngs Creek built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1989.

What condition is FM 78 over Youngs 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 78 over Youngs Creek carry?

About 11,191 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FM 78 over Youngs Creek?

The structure is 162 ft (49.4 m) long with a longest span of 21 ft (6.4 m) and a deck 45 ft wide.

Who owns FM 78 over Youngs Creek?

It is owned by the State Highway Agency.