US Bridges

SH 16 over Colorado River Relief

Good

San Saba County, Texas · 0.10 MI S of Mills C/L · Structure no. 232060028904038

Built
1939
86 years old, rebuilt 1970
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
152 ft
3 main spans
Daily traffic
1,507
2023 count
Owner
State
State Highway Agency

About this bridge

SH 16 over Colorado River Relief is a steel stringer/multi-beam or girder carrying SH 16 over Colorado River Relief in San Saba County, Texas. It was built in 1939 and reconstructed in 1970, so it is 86 years old, older 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 1,507 vehicles a day, roughly 10% of them trucks, projected to reach 1,730 by 2033. The structure is 152 ft (46.3 m) long and 50 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesSH 16
CrossesColorado River Relief
Location0.10 MI S of Mills C/L
RouteState Highway 16
StateTexas
Coordinates31.34547, -98.66886
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length152 ft (46.3 m)
Longest span50 ft (15.2 m)
Deck width50 ft (15.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,507 (2023)
Projected traffic1,730 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed31.7 mi (51 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 SH 16 over Colorado River Relief built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1970.

What condition is SH 16 over Colorado River Relief 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 October 2023.

How much traffic does SH 16 over Colorado River Relief carry?

About 1,507 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SH 16 over Colorado River Relief?

The structure is 152 ft (46.3 m) long with a longest span of 50 ft (15.2 m) and a deck 50 ft wide.

Who owns SH 16 over Colorado River Relief?

It is owned by the State Highway Agency.