US Bridges

Franz RD WB over Mason CR

Good

Harris County, Texas · 1.65 MI W of Mason RD · Structure no. 121020AA0147005

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
8,290
2016 count
Owner
County
County Highway Agency

About this bridge

Franz RD WB over Mason CR is a prestressed concrete box beam or girders - multiple carrying Franz RD WB over Mason CR in Harris County, Texas. It was built in 2003, so it is 22 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,290 vehicles a day, roughly 1% of them trucks, projected to reach 5,000 by 2033. The structure is 122 ft (37.2 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFranz RD WB
CrossesMason CR
Location1.65 MI W of Mason RD
RouteCounty Highway 0
StateTexas
Coordinates29.80186, -95.77916
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length122 ft (37.2 m)
Longest span41 ft (12.5 m)
Deck width34 ft (10.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,290 (2016)
Projected traffic5,000 by 2033
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$8,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Franz RD WB over Mason CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is Franz RD WB over Mason CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Franz RD WB over Mason CR carry?

About 8,290 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Franz RD WB over Mason CR?

The structure is 122 ft (37.2 m) long with a longest span of 41 ft (12.5 m) and a deck 34 ft wide.

Who owns Franz RD WB over Mason CR?

It is owned by the County Highway Agency.