US Bridges

SH 350 Nbfr over Draw

Good

Howard County, Texas · 1.0 MI S of IH 20 · Structure no. 081150069301025

Built
1977
48 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
3,600
2010 count
Owner
State
State Highway Agency

About this bridge

SH 350 Nbfr over Draw is a concrete culvert carrying SH 350 Nbfr over Draw in Howard County, Texas. It was built in 1977, so it is 48 years old, older 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 3,600 vehicles a day, roughly 15% of them trucks, projected to reach 5,740 by 2030. The structure is 27 ft (8.2 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 350 Nbfr
CrossesDraw
Location1.0 MI S of IH 20
RouteState Highway 350
StateTexas
Coordinates32.25818, -101.47051
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width33 ft (10.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2010)
Projected traffic5,740 by 2030
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 350 Nbfr over Draw built?

It was built in 1977, making it 48 years old in 2025.

What condition is SH 350 Nbfr 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 June 2023.

How much traffic does SH 350 Nbfr over Draw carry?

About 3,600 vehicles per day (2010 count), of which roughly 15% are trucks.

How long is SH 350 Nbfr over Draw?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 33 ft wide.

Who owns SH 350 Nbfr over Draw?

It is owned by the State Highway Agency.