US Bridges

Morgan RD over Flat Rock Branch

Fair

Ellis County, Texas · 2.5 MI SE of US 77 · Structure no. 180710AA0882001

Built
1990
35 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
40 ft
2 main spans
Daily traffic
216
2015 count
Owner
County
County Highway Agency

About this bridge

Morgan RD over Flat Rock Branch is a steel continuous stringer/multi-beam or girder carrying Morgan RD over Flat Rock Branch in Ellis County, Texas. It was built in 1990, so it is 35 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 216 vehicles a day, roughly 2% of them trucks, projected to reach 150 by 2035. The structure is 40 ft (12.2 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMorgan RD
CrossesFlat Rock Branch
Location2.5 MI SE of US 77
RouteCounty Highway 0
StateTexas
Coordinates32.13491, -96.88929
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating38 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic216 (2015)
Projected traffic150 by 2035
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Morgan RD over Flat Rock Branch built?

It was built in 1990, making it 35 years old in 2025.

What condition is Morgan RD over Flat Rock Branch 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 2024.

How much traffic does Morgan RD over Flat Rock Branch carry?

About 216 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Morgan RD over Flat Rock Branch?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 16 ft wide.

Who owns Morgan RD over Flat Rock Branch?

It is owned by the County Highway Agency.