US Bridges

CR 428 over San Gabriel River

FairPosted for load

Milam County, Texas · 0.2 MI N of FM 908 · Structure no. 171660AA0355001

Built
1911
114 years old, rebuilt 2014
Condition
Fair
inspected October 2023
Type
Truss - Thru
Steel
Length
275 ft
1 main span
Daily traffic
74
2022 count
Owner
County
County Highway Agency

About this bridge

CR 428 over San Gabriel River is a steel truss - thru carrying CR 428 over San Gabriel River in Milam County, Texas. It was built in 1911 and reconstructed in 2014, so it is 114 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. Its operating status is: posted for load restriction.

It carries about 74 vehicles a day, projected to reach 170 by 2035. The structure is 275 ft (83.8 m) long and 12 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCR 428
CrossesSan Gabriel River
Location0.2 MI N of FM 908
RouteCounty Highway 428
StateTexas
Coordinates30.69205, -97.13793
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+7 approach)
Design loadUnknown
Structure length275 ft (83.8 m)
Longest span136 ft (41.5 m)
Deck width12 ft (3.6 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic74 (2022)
Projected traffic170 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 428 over San Gabriel River built?

It was built in 1911, making it 114 years old in 2025. It was reconstructed in 2014.

What condition is CR 428 over San Gabriel 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 October 2023.

How much traffic does CR 428 over San Gabriel River carry?

About 74 vehicles per day (2022 count).

How long is CR 428 over San Gabriel River?

The structure is 275 ft (83.8 m) long with a longest span of 136 ft (41.5 m) and a deck 12 ft wide.

Who owns CR 428 over San Gabriel River?

It is owned by the County Highway Agency.