US Bridges

FM 1300 over Porters Creek

Fair

Wharton County, Texas · 1.75 MI W of FM 1160 · Structure no. 132410042010007

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
75 ft
3 main spans
Daily traffic
529
2022 count
Owner
State
State Highway Agency

About this bridge

FM 1300 over Porters Creek is a concrete slab carrying FM 1300 over Porters Creek in Wharton County, Texas. It was built in 1960, so it is 65 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 529 vehicles a day, roughly 11% of them trucks, projected to reach 741 by 2042. The structure is 75 ft (22.9 m) long and 25 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesFM 1300
CrossesPorters Creek
Location1.75 MI W of FM 1160
RouteState Highway 1300
StateTexas
Coordinates29.2296, -96.42455
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic529 (2022)
Projected traffic741 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 1300 over Porters Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is FM 1300 over Porters 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 November 2024.

How much traffic does FM 1300 over Porters Creek carry?

About 529 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is FM 1300 over Porters Creek?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns FM 1300 over Porters Creek?

It is owned by the State Highway Agency.