US Bridges

Houston ST over Lynns Bayou

Good

Calhoun County, Texas · 0.01 MI N of Newlin ST · Structure no. 130290B00355001

Built
1992
33 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
1,904
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Houston ST over Lynns Bayou is a prestressed concrete box beam or girders - multiple carrying Houston ST over Lynns Bayou in Calhoun County, Texas. It was built in 1992, so it is 33 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 1,904 vehicles a day, roughly 3% of them trucks, projected to reach 2,666 by 2042. The structure is 75 ft (22.9 m) long and 46 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesHouston ST
CrossesLynns Bayou
Location0.01 MI N of Newlin ST
RouteCity Street 0
StateTexas
Coordinates28.62454, -96.63109
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span74 ft (22.6 m)
Deck width46 ft (14.1 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,904 (2022)
Projected traffic2,666 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Houston ST over Lynns Bayou built?

It was built in 1992, making it 33 years old in 2025.

What condition is Houston ST over Lynns 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 November 2023.

How much traffic does Houston ST over Lynns Bayou carry?

About 1,904 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Houston ST over Lynns Bayou?

The structure is 75 ft (22.9 m) long with a longest span of 74 ft (22.6 m) and a deck 46 ft wide.

Who owns Houston ST over Lynns Bayou?

It is owned by the City or Municipal Highway Agency.