US Bridges

FM 2478 over Draw

Good

Collin County, Texas · 2.5 MI N of SH 121 · Structure no. 180430235101005

Built
1990
35 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
22,058
2020 count
Owner
State
State Highway Agency

About this bridge

FM 2478 over Draw is a concrete culvert carrying FM 2478 over Draw in Collin 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 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 22,058 vehicles a day, roughly 4% of them trucks, projected to reach 30,881 by 2040. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 2478
CrossesDraw
Location2.5 MI N of SH 121
RouteState Highway 2478
StateTexas
Coordinates33.16009, -96.73303
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,058 (2020)
Projected traffic30,881 by 2040
Trucks4%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 2478 over Draw built?

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

What condition is FM 2478 over Draw 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 November 2023.

How much traffic does FM 2478 over Draw carry?

About 22,058 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is FM 2478 over Draw?

The structure is 37 ft (11.3 m) long with a longest span of 8 ft (2.4 m).

Who owns FM 2478 over Draw?

It is owned by the State Highway Agency.