US Bridges

Mercury DR SB over Hcfcd Ditch

Fair

Harris County, Texas · 0.05 MI N of IH 10 · Structure no. 121020B44289002

Built
1993
32 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
10,000
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mercury DR SB over Hcfcd Ditch is a prestressed concrete box beam or girders - multiple carrying Mercury DR SB over Hcfcd Ditch in Harris County, Texas. It was built in 1993, so it is 32 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 10,000 vehicles a day, roughly 1% of them trucks, projected to reach 12,000 by 2031. The structure is 50 ft (15.2 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMercury DR SB
CrossesHcfcd Ditch
Location0.05 MI N of IH 10
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.77453, -95.24736
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2011)
Projected traffic12,000 by 2031
Trucks1%
Lanes on structure2
Traffic directionOne-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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mercury DR SB over Hcfcd Ditch built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mercury DR SB over Hcfcd Ditch 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 Mercury DR SB over Hcfcd Ditch carry?

About 10,000 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Mercury DR SB over Hcfcd Ditch?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns Mercury DR SB over Hcfcd Ditch?

It is owned by the City or Municipal Highway Agency.