US Bridges

Old Humble RD NB over Hcfcd Ditch

Fair

Harris County, Texas · 0.80 MI SW of Bw 8 · Structure no. 121020AA4326001

Built
1983
42 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
4,297
2016 count
Owner
County
County Highway Agency

About this bridge

Old Humble RD NB over Hcfcd Ditch is a prestressed concrete box beam or girders - multiple carrying Old Humble RD NB over Hcfcd Ditch in Harris County, Texas. It was built in 1983, so it is 42 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 4,297 vehicles a day, roughly 2% of them trucks, projected to reach 9,000 by 2035. The structure is 42 ft (12.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Humble RD NB
CrossesHcfcd Ditch
Location0.80 MI SW of Bw 8
RouteCounty Highway 0
StateTexas
Coordinates29.9317, -95.29289
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width40 ft (12.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,297 (2016)
Projected traffic9,000 by 2035
Trucks2%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Old Humble RD NB over Hcfcd Ditch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Old Humble RD NB 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 December 2023.

How much traffic does Old Humble RD NB over Hcfcd Ditch carry?

About 4,297 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Old Humble RD NB over Hcfcd Ditch?

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 40 ft wide.

Who owns Old Humble RD NB over Hcfcd Ditch?

It is owned by the County Highway Agency.