US Bridges

SH 16 over Llano River

Fair

Llano County, Texas · 0.40 MI S of SH 29 · Structure no. 141500029001023

Built
1936
89 years old
Condition
Fair
inspected May 2023
Type
Truss - Thru
Steel
Length
876 ft
4 main spans
Daily traffic
12,551
2020 count
Owner
State
State Highway Agency

About this bridge

SH 16 over Llano River is a steel truss - thru carrying SH 16 over Llano River in Llano County, Texas. It was built in 1936, so it is 89 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 12,551 vehicles a day, roughly 8% of them trucks, projected to reach 15,890 by 2033. The structure is 876 ft (267 m) long and 27 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesSH 16
CrossesLlano River
Location0.40 MI S of SH 29
RouteState Highway 16
CountyLlano County
StateTexas
Coordinates30.75318, -98.67585
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection7 GoodSome minor problems.
Last inspectionMay 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadH 15
Structure length876 ft (267 m)
Longest span201 ft (61.3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic12,551 (2020)
Projected traffic15,890 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 16 over Llano River built?

It was built in 1936, making it 89 years old in 2025.

What condition is SH 16 over Llano River 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 May 2023.

How much traffic does SH 16 over Llano River carry?

About 12,551 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is SH 16 over Llano River?

The structure is 876 ft (267 m) long with a longest span of 201 ft (61.3 m) and a deck 27 ft wide.

Who owns SH 16 over Llano River?

It is owned by the State Highway Agency.