US Bridges

Synott RD over Brays Bayou

Fair

Harris County, Texas · 0.50 MI N of Alief-Clod · Structure no. 121020B62905001

Built
1975
50 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
123 ft
3 main spans
Daily traffic
8,780
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Synott RD over Brays Bayou is a concrete stringer/multi-beam or girder carrying Synott RD over Brays Bayou in Harris County, Texas. It was built in 1975, so it is 50 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 8,780 vehicles a day, roughly 1% of them trucks, projected to reach 9,000 by 2033. The structure is 123 ft (37.5 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSynott RD
CrossesBrays Bayou
Location0.50 MI N of Alief-Clod
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.71752, -95.61599
Functional classUrban Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than 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
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length123 ft (37.5 m)
Longest span41 ft (12.5 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,780 (2013)
Projected traffic9,000 by 2033
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$8,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Synott RD over Brays Bayou built?

It was built in 1975, making it 50 years old in 2025.

What condition is Synott RD 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 November 2023.

How much traffic does Synott RD over Brays Bayou carry?

About 8,780 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Synott RD over Brays Bayou?

The structure is 123 ft (37.5 m) long with a longest span of 41 ft (12.5 m) and a deck 31 ft wide.

Who owns Synott RD over Brays Bayou?

It is owned by the City or Municipal Highway Agency.