US Bridges

Morgan RD over Detention Ditch

Fair

Brazoria County, Texas · 0.20 MI N of Southfork DR · Structure no. 120200AA2005001

Built
1985
40 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
28 ft
5 main spans
Daily traffic
1,020
2011 count
Owner
County
County Highway Agency

About this bridge

Morgan RD over Detention Ditch is a concrete culvert carrying Morgan RD over Detention Ditch in Brazoria County, Texas. It was built in 1985, so it is 40 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 1,020 vehicles a day, projected to reach 1,600 by 2031. The structure is 28 ft (8.5 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMorgan RD
CrossesDetention Ditch
Location0.20 MI N of Southfork DR
RouteCounty Highway 0
CountyBrazoria County
StateTexas
Coordinates29.54431, -95.35631
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
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 typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span5 ft (1.5 m)
Deck width50 ft (15.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,020 (2011)
Projected traffic1,600 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Morgan RD over Detention Ditch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Morgan RD over Detention 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 Morgan RD over Detention Ditch carry?

About 1,020 vehicles per day (2011 count).

How long is Morgan RD over Detention Ditch?

The structure is 28 ft (8.5 m) long with a longest span of 5 ft (1.5 m) and a deck 50 ft wide.

Who owns Morgan RD over Detention Ditch?

It is owned by the County Highway Agency.