US Bridges

S Main ST over Brays Bayou

Fair

Harris County, Texas · At N Braeswood · Structure no. 121020B41689056

Built
1954
71 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
1 main span
Daily traffic
29,610
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Main ST over Brays Bayou is a steel continuous stringer/multi-beam or girder carrying S Main ST over Brays Bayou in Harris County, Texas. It was built in 1954, so it is 71 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 29,610 vehicles a day, projected to reach 21,306 by 2035. The structure is 242 ft (73.8 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS Main ST
CrossesBrays Bayou
LocationAt N Braeswood
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.69735, -95.41209
Functional classUrban Other Principal Arterial

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadOther
Structure length242 ft (73.8 m)
Longest span72 ft (21.9 m)
Deck width79 ft (24.1 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,610 (2013)
Projected traffic21,306 by 2035
Trucks0%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$40,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S Main ST over Brays Bayou built?

It was built in 1954, making it 71 years old in 2025.

What condition is S Main ST over Brays Bayou 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 2023.

How much traffic does S Main ST over Brays Bayou carry?

About 29,610 vehicles per day (2013 count).

How long is S Main ST over Brays Bayou?

The structure is 242 ft (73.8 m) long with a longest span of 72 ft (21.9 m) and a deck 79 ft wide.

Who owns S Main ST over Brays Bayou?

It is owned by the City or Municipal Highway Agency.