US Bridges

FM 501 over Jackson Branch

Fair

San Saba County, Texas · 0.60 MI E of SH 16 · Structure no. 232060086707026

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
104 ft
4 main spans
Daily traffic
565
2020 count
Owner
State
State Highway Agency

About this bridge

FM 501 over Jackson Branch is a concrete continuous slab carrying FM 501 over Jackson Branch in San Saba County, Texas. It was built in 1965, so it is 60 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 565 vehicles a day, roughly 11% of them trucks, projected to reach 640 by 2033. The structure is 104 ft (31.7 m) long and 26 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesFM 501
CrossesJackson Branch
Location0.60 MI E of SH 16
RouteState Highway 501
CountySan Saba County
StateTexas
Coordinates30.98145, -98.69886
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length104 ft (31.7 m)
Longest span26 ft (7.9 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic565 (2020)
Projected traffic640 by 2033
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 FM 501 over Jackson Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is FM 501 over Jackson Branch 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 2023.

How much traffic does FM 501 over Jackson Branch carry?

About 565 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is FM 501 over Jackson Branch?

The structure is 104 ft (31.7 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns FM 501 over Jackson Branch?

It is owned by the State Highway Agency.