US Bridges

SH 121 over Draw

Fair

Dallas County, Texas · 8.6 Miles NE of IH 35 · Structure no. 180610036403176

Built
2004
21 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
111,960
2021 count
Owner
Toll Authority
Local Toll Authority

About this bridge

SH 121 over Draw is a concrete culvert carrying SH 121 over Draw in Dallas County, Texas. It was built in 2004, so it is 21 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 111,960 vehicles a day, roughly 8% of them trucks, projected to reach 1 by 1900. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 121
CrossesDraw
Location8.6 Miles NE of IH 35
RouteState Highway 121
StateTexas
Coordinates33.08107, -96.85563
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.1 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 traffic111,960 (2021)
Projected traffic1 by 1900
Trucks8%
Lanes on structure15
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 SH 121 over Draw built?

It was built in 2004, making it 21 years old in 2025.

What condition is SH 121 over Draw 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 August 2023.

How much traffic does SH 121 over Draw carry?

About 111,960 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is SH 121 over Draw?

The structure is 20 ft (6.1 m) long with a longest span of 8 ft (2.4 m).

Who owns SH 121 over Draw?

It is owned by the Local Toll Authority.