US Bridges

SH 35 over Frenchmans Bayou

Good

Calhoun County, Texas · 3.05 MI SW of SH 185 · Structure no. 130290018001039

Built
1964
61 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
400 ft
10 main spans
Daily traffic
3,153
2023 count
Owner
State
State Highway Agency

About this bridge

SH 35 over Frenchmans Bayou is a concrete stringer/multi-beam or girder carrying SH 35 over Frenchmans Bayou in Calhoun County, Texas. It was built in 1964, so it is 61 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 3,153 vehicles a day, roughly 16% of them trucks, projected to reach 6,740 by 2033. The structure is 400 ft (121.9 m) long and 33 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesSH 35
CrossesFrenchmans Bayou
Location3.05 MI SW of SH 185
RouteState Highway 35
StateTexas
Coordinates28.50197, -96.83432
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating56 US tons
Inventory rating33 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadH 20
Structure length400 ft (121.9 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,153 (2023)
Projected traffic6,740 by 2033
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 35 over Frenchmans Bayou built?

It was built in 1964, making it 61 years old in 2025.

What condition is SH 35 over Frenchmans Bayou 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 December 2024.

How much traffic does SH 35 over Frenchmans Bayou carry?

About 3,153 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SH 35 over Frenchmans Bayou?

The structure is 400 ft (121.9 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns SH 35 over Frenchmans Bayou?

It is owned by the State Highway Agency.