US Bridges

FM 450 over Sandy Creek

Fair

Marion County, Texas · 3.10 MI NW of FM 726 · Structure no. 191550138202001

Built
1951
74 years old, rebuilt 2006
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
27 ft
4 main spans
Daily traffic
678
2023 count
Owner
State
State Highway Agency

About this bridge

FM 450 over Sandy Creek is a concrete culvert carrying FM 450 over Sandy Creek in Marion County, Texas. It was built in 1951 and reconstructed in 2006, so it is 74 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 678 vehicles a day, roughly 10% of them trucks, projected to reach 990 by 2033. The structure is 27 ft (8.2 m) long and 57 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFM 450
CrossesSandy Creek
Location3.10 MI NW of FM 726
RouteState Highway 450
StateTexas
Coordinates32.78536, -94.67858
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span6 ft (1.8 m)
Deck width57 ft (17.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic678 (2023)
Projected traffic990 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 450 over Sandy Creek built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2006.

What condition is FM 450 over Sandy Creek 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 September 2024.

How much traffic does FM 450 over Sandy Creek carry?

About 678 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is FM 450 over Sandy Creek?

The structure is 27 ft (8.2 m) long with a longest span of 6 ft (1.8 m) and a deck 57 ft wide.

Who owns FM 450 over Sandy Creek?

It is owned by the State Highway Agency.