US Bridges

FM 550 over Long Branch Creek

Good

Rockwall County, Texas · 2.08 MI E of FM 549 · Structure no. 181990101403389

Built
2013
12 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
2,198
2019 count
Owner
State
State Highway Agency

About this bridge

FM 550 over Long Branch Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 550 over Long Branch Creek in Rockwall County, Texas. It was built in 2013, so it is 12 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 2,198 vehicles a day, roughly 3% of them trucks, projected to reach 5,810 by 2037. The structure is 75 ft (22.9 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 550
CrossesLong Branch Creek
Location2.08 MI E of FM 549
RouteState Highway 550
StateTexas
Coordinates32.83946, -96.43526
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length75 ft (22.9 m)
Longest span75 ft (22.9 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,198 (2019)
Projected traffic5,810 by 2037
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FM 550 over Long Branch Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is FM 550 over Long Branch Creek 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 March 2023.

How much traffic does FM 550 over Long Branch Creek carry?

About 2,198 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is FM 550 over Long Branch Creek?

The structure is 75 ft (22.9 m) long with a longest span of 75 ft (22.9 m) and a deck 46 ft wide.

Who owns FM 550 over Long Branch Creek?

It is owned by the State Highway Agency.