US Bridges

Chimney Rock RD over Drainage Ditch

Fair

Fort Bend County, Texas · 0.80 MI N of FM 2234 · Structure no. 120800B14401001

Built
1978
47 years old
Condition
Fair
inspected August 2023
Type
Other
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
5,120
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Chimney Rock RD over Drainage Ditch is a prestressed concrete other carrying Chimney Rock RD over Drainage Ditch in Fort Bend County, Texas. It was built in 1978, so it is 47 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 5,120 vehicles a day, projected to reach 1,155 by 2030. The structure is 90 ft (27.4 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesChimney Rock RD
CrossesDrainage Ditch
Location0.80 MI N of FM 2234
RouteCity Street 0
CountyFort Bend County
StateTexas
Coordinates29.59177, -95.48364
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.
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 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 typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width53 ft (16.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,120 (2010)
Projected traffic1,155 by 2030
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Chimney Rock RD over Drainage Ditch built?

It was built in 1978, making it 47 years old in 2025.

What condition is Chimney Rock RD over Drainage 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 August 2023.

How much traffic does Chimney Rock RD over Drainage Ditch carry?

About 5,120 vehicles per day (2010 count).

How long is Chimney Rock RD over Drainage Ditch?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 53 ft wide.

Who owns Chimney Rock RD over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.