US Bridges

FM 55 over Little Onion Creek

Good

Ellis County, Texas · 3.2 MI SE of US 77 · Structure no. 180710145101012

Built
2019
6 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
1,130
2017 count
Owner
State
State Highway Agency

About this bridge

FM 55 over Little Onion Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 55 over Little Onion Creek in Ellis County, Texas. It was built in 2019, so it is 6 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 1,130 vehicles a day, roughly 2% of them trucks, projected to reach 1,450 by 2037. The structure is 85 ft (25.9 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFM 55
CrossesLittle Onion Creek
Location3.2 MI SE of US 77
RouteState Highway 55
StateTexas
Coordinates32.29307, -96.83153
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 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 length85 ft (25.9 m)
Longest span85 ft (25.9 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,130 (2017)
Projected traffic1,450 by 2037
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 55 over Little Onion Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is FM 55 over Little Onion 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 February 2023.

How much traffic does FM 55 over Little Onion Creek carry?

About 1,130 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is FM 55 over Little Onion Creek?

The structure is 85 ft (25.9 m) long with a longest span of 85 ft (25.9 m) and a deck 46 ft wide.

Who owns FM 55 over Little Onion Creek?

It is owned by the State Highway Agency.