US Bridges

FM 1704 over Little Sandy Creek

Good

Bastrop County, Texas · 1.8 MI S of Lp 109 · Structure no. 140110153301001

Built
1952
73 years old, rebuilt 2013
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
6,723
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1704 over Little Sandy Creek is a concrete culvert carrying FM 1704 over Little Sandy Creek in Bastrop County, Texas. It was built in 1952 and reconstructed in 2013, so it is 73 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 6,723 vehicles a day, roughly 9% of them trucks, projected to reach 11,429 by 2042. The structure is 32 ft (9.8 m) long and 31 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesFM 1704
CrossesLittle Sandy Creek
Location1.8 MI S of Lp 109
RouteState Highway 1704
CountyBastrop County
StateTexas
Coordinates30.31652, -97.37868
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,723 (2023)
Projected traffic11,429 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1704 over Little Sandy Creek built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2013.

What condition is FM 1704 over Little Sandy Creek 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 November 2024.

How much traffic does FM 1704 over Little Sandy Creek carry?

About 6,723 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is FM 1704 over Little Sandy Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns FM 1704 over Little Sandy Creek?

It is owned by the State Highway Agency.