US Bridges

SH 121 Bus over Draw

Fair

Denton County, Texas · 0.95 MI NE of IH 35E · Structure no. 180610036403034

Built
1968
57 years old, rebuilt 1991
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
26,562
2022 count
Owner
State
State Highway Agency

About this bridge

SH 121 Bus over Draw is a concrete culvert carrying SH 121 Bus over Draw in Denton County, Texas. It was built in 1968 and reconstructed in 1991, so it is 57 years old, older 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 26,562 vehicles a day, roughly 7% of them trucks, projected to reach 54,110 by 2033. The structure is 43 ft (13.1 m) long and 125 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 121 Bus
CrossesDraw
Location0.95 MI NE of IH 35E
RouteState Highway 121
CountyDenton County
StateTexas
Coordinates33.04149, -96.98415
Functional classUrban Other Principal Arterial

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width125 ft (38.1 m)
Roadway width87 ft (26.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,562 (2022)
Projected traffic54,110 by 2033
Trucks7%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 121 Bus over Draw built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1991.

What condition is SH 121 Bus 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 October 2023.

How much traffic does SH 121 Bus over Draw carry?

About 26,562 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SH 121 Bus over Draw?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 125 ft wide.

Who owns SH 121 Bus over Draw?

It is owned by the State Highway Agency.