US Bridges

FM 502 over Dry Prong Deep Creek

Fair

McCulloch County, Texas · 0.05 MI W of FM 1028 · Structure no. 231600086801001

Built
1946
79 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
50 ft
2 main spans
Daily traffic
100
2020 count
Owner
State
State Highway Agency

About this bridge

FM 502 over Dry Prong Deep Creek is a concrete slab carrying FM 502 over Dry Prong Deep Creek in McCulloch County, Texas. It was built in 1946, so it is 79 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 100 vehicles a day, roughly 13% of them trucks, projected to reach 149 by 2038. The structure is 50 ft (15.2 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 502
CrossesDry Prong Deep Creek
Location0.05 MI W of FM 1028
RouteState Highway 502
StateTexas
Coordinates31.40254, -99.13727
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
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length50 ft (15.2 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic149 by 2038
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 FM 502 over Dry Prong Deep Creek built?

It was built in 1946, making it 79 years old in 2025.

What condition is FM 502 over Dry Prong Deep 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 April 2024.

How much traffic does FM 502 over Dry Prong Deep Creek carry?

About 100 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is FM 502 over Dry Prong Deep Creek?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns FM 502 over Dry Prong Deep Creek?

It is owned by the State Highway Agency.