US Bridges

Park Road 73 over South Llano River

Good

Kimble County, Texas · 0.32 MI S of US 377 · Structure no. 071340047401002

Built
2023
2 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
230 ft
3 main spans
Daily traffic
126
2018 count
Owner
State
State Highway Agency

About this bridge

Park Road 73 over South Llano River is a prestressed concrete stringer/multi-beam or girder carrying Park Road 73 over South Llano River in Kimble County, Texas. It was built in 2023, so it is 2 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 126 vehicles a day, roughly 10% of them trucks, projected to reach 176 by 2038. The structure is 230 ft (70.1 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesPark Road 73
CrossesSouth Llano River
Location0.32 MI S of US 377
RouteState Highway 73
StateTexas
Coordinates30.45003, -99.81282
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length230 ft (70.1 m)
Longest span90 ft (27.4 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2018)
Projected traffic176 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Park Road 73 over South Llano River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Park Road 73 over South Llano River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Park Road 73 over South Llano River carry?

About 126 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Park Road 73 over South Llano River?

The structure is 230 ft (70.1 m) long with a longest span of 90 ft (27.4 m) and a deck 34 ft wide.

Who owns Park Road 73 over South Llano River?

It is owned by the State Highway Agency.