US Bridges

FM 1785 over Plum Creek

Good

Howard County, Texas · 5.61 MI E of US 87 · Structure no. 081150115503010

Built
2014
11 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
774
2019 count
Owner
State
State Highway Agency

About this bridge

FM 1785 over Plum Creek is a prestressed concrete box beam or girders - multiple carrying FM 1785 over Plum Creek in Howard County, Texas. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 774 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2031. The structure is 65 ft (19.8 m) long and 34 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFM 1785
CrossesPlum Creek
Location5.61 MI E of US 87
RouteState Highway 1785
StateTexas
Coordinates32.51884, -101.58292
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to 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 length65 ft (19.8 m)
Longest span65 ft (19.8 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic774 (2019)
Projected traffic180 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 1785 over Plum Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is FM 1785 over Plum 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 June 2023.

How much traffic does FM 1785 over Plum Creek carry?

About 774 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is FM 1785 over Plum Creek?

The structure is 65 ft (19.8 m) long with a longest span of 65 ft (19.8 m) and a deck 34 ft wide.

Who owns FM 1785 over Plum Creek?

It is owned by the State Highway Agency.