US Bridges

SH 164 over Alligator Creek

Fair

Freestone County, Texas · 2.1 MI W of IH 45 · Structure no. 170820041305024

Built
1948
77 years old, rebuilt 1991
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
180 ft
7 main spans
Daily traffic
1,890
2020 count
Owner
State
State Highway Agency

About this bridge

SH 164 over Alligator Creek is a concrete continuous slab carrying SH 164 over Alligator Creek in Freestone County, Texas. It was built in 1948 and reconstructed in 1991, so it is 77 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 1,890 vehicles a day, roughly 23% of them trucks, projected to reach 2,100 by 2033. The structure is 180 ft (54.9 m) long and 42 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesSH 164
CrossesAlligator Creek
Location2.1 MI W of IH 45
RouteState Highway 164
CountyFreestone County
StateTexas
Coordinates31.47109, -96.11985
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadH 20
Structure length180 ft (54.9 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,890 (2020)
Projected traffic2,100 by 2033
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 SH 164 over Alligator Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1991.

What condition is SH 164 over Alligator 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 October 2024.

How much traffic does SH 164 over Alligator Creek carry?

About 1,890 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is SH 164 over Alligator Creek?

The structure is 180 ft (54.9 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns SH 164 over Alligator Creek?

It is owned by the State Highway Agency.