US Bridges

River Park Road over San Marcos River Rel

Fair

Caldwell County, Texas · 3.2 MI W of US 183 · Structure no. 140280002903184

Built
1920
105 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
60 ft
5 main spans
Daily traffic
57
2020 count
Owner
State
State Highway Agency

About this bridge

River Park Road over San Marcos River Rel is a concrete slab carrying River Park Road over San Marcos River Rel in Caldwell County, Texas. It was built in 1920, so it is 105 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 57 vehicles a day, roughly 3% of them trucks, projected to reach 57 by 2042. The structure is 60 ft (18.3 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRiver Park Road
CrossesSan Marcos River Rel
Location3.2 MI W of US 183
RouteState Highway 0
CountyCaldwell County
StateTexas
Coordinates29.67009, -97.69844
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span12 ft (3.7 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57 (2020)
Projected traffic57 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 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 River Park Road over San Marcos River Rel built?

It was built in 1920, making it 105 years old in 2025.

What condition is River Park Road over San Marcos River Rel 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 October 2024.

How much traffic does River Park Road over San Marcos River Rel carry?

About 57 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is River Park Road over San Marcos River Rel?

The structure is 60 ft (18.3 m) long with a longest span of 12 ft (3.7 m) and a deck 20 ft wide.

Who owns River Park Road over San Marcos River Rel?

It is owned by the State Highway Agency.