US Bridges

SH 35 NB over Lynn Bayou

Good

Calhoun County, Texas · 1.06 MI S of SH 238 · Structure no. 130290017910074

Built
1982
43 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
94 ft
3 main spans
Daily traffic
9,238
2023 count
Owner
State
State Highway Agency

About this bridge

SH 35 NB over Lynn Bayou is a concrete stringer/multi-beam or girder carrying SH 35 NB over Lynn Bayou in Calhoun County, Texas. It was built in 1982, so it is 43 years old, younger 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 9,238 vehicles a day, roughly 8% of them trucks, projected to reach 11,240 by 2033. The structure is 94 ft (28.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 35 NB
CrossesLynn Bayou
Location1.06 MI S of SH 238
RouteState Highway 35
StateTexas
Coordinates28.62937, -96.63327
Functional classUrban Other Principal 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length94 ft (28.5 m)
Longest span31 ft (9.5 m)
Deck width44 ft (13.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,238 (2023)
Projected traffic11,240 by 2033
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 35 NB over Lynn Bayou built?

It was built in 1982, making it 43 years old in 2025.

What condition is SH 35 NB over Lynn 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 NB over Lynn Bayou carry?

About 9,238 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SH 35 NB over Lynn Bayou?

The structure is 94 ft (28.5 m) long with a longest span of 31 ft (9.5 m) and a deck 44 ft wide.

Who owns SH 35 NB over Lynn Bayou?

It is owned by the State Highway Agency.