US Bridges

CR 258 over North San Gabriel Ri

FairPosted for load

Williamson County, Texas · 1.50 MI S of FM 3405 · Structure no. 142460AA0147002

Built
1957
68 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
75 ft
4 main spans
Daily traffic
630
2010 count
Owner
County
County Highway Agency

About this bridge

CR 258 over North San Gabriel Ri is a concrete slab carrying CR 258 over North San Gabriel Ri in Williamson County, Texas. It was built in 1957, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 630 vehicles a day, projected to reach 945 by 2030. The structure is 75 ft (22.9 m) long and 16 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesCR 258
CrossesNorth San Gabriel Ri
Location1.50 MI S of FM 3405
RouteCounty Highway 256
CountyWilliamson County
StateTexas
Coordinates30.69627, -97.82882
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span19 ft (5.8 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2010)
Projected traffic945 by 2030
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 258 over North San Gabriel Ri built?

It was built in 1957, making it 68 years old in 2025.

What condition is CR 258 over North San Gabriel Ri 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 258 over North San Gabriel Ri carry?

About 630 vehicles per day (2010 count).

How long is CR 258 over North San Gabriel Ri?

The structure is 75 ft (22.9 m) long with a longest span of 19 ft (5.8 m) and a deck 16 ft wide.

Who owns CR 258 over North San Gabriel Ri?

It is owned by the County Highway Agency.