US Bridges

FM 1256 over Alligator CR

Fair

Van Zandt County, Texas · 0.40 MI W of SH 19 · Structure no. 102340117201005

Built
1939
86 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
89 ft
8 main spans
Daily traffic
689
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1256 over Alligator CR is a concrete culvert carrying FM 1256 over Alligator CR in Van Zandt County, Texas. It was built in 1939, so it is 86 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 689 vehicles a day, roughly 17% of them trucks, projected to reach 810 by 2033. The structure is 89 ft (27.1 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFM 1256
CrossesAlligator CR
Location0.40 MI W of SH 19
RouteState Highway 1256
CountyVan Zandt County
StateTexas
Coordinates32.39817, -95.85793
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than 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 spans8
Design loadH 15
Structure length89 ft (27.1 m)
Longest span10 ft (3 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic689 (2023)
Projected traffic810 by 2033
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$261,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1256 over Alligator CR built?

It was built in 1939, making it 86 years old in 2025.

What condition is FM 1256 over Alligator CR 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 2024.

How much traffic does FM 1256 over Alligator CR carry?

About 689 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is FM 1256 over Alligator CR?

The structure is 89 ft (27.1 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns FM 1256 over Alligator CR?

It is owned by the State Highway Agency.