US Bridges

Melville DR over Sjra Canal

Fair

Harris County, Texas · 0.10 MI E of Crosby Lynbg · Structure no. 121020AA3594002

Built
1992
33 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
880
2009 count
Owner
County
County Highway Agency

About this bridge

Melville DR over Sjra Canal is a prestressed concrete box beam or girders - multiple carrying Melville DR over Sjra Canal in Harris 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 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 880 vehicles a day, projected to reach 1,350 by 2028. The structure is 62 ft (18.9 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMelville DR
CrossesSjra Canal
Location0.10 MI E of Crosby Lynbg
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates29.87232, -95.06081
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width34 ft (10.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2009)
Projected traffic1,350 by 2028
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Melville DR over Sjra Canal built?

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

What condition is Melville DR over Sjra Canal 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 Melville DR over Sjra Canal carry?

About 880 vehicles per day (2009 count).

How long is Melville DR over Sjra Canal?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 34 ft wide.

Who owns Melville DR over Sjra Canal?

It is owned by the County Highway Agency.