US Bridges

SH 350 over IH 20

Poor

Howard County, Texas · 1.0 MI E of US 87 · Structure no. 081150000506125

Built
1964
61 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
4 main spans
Daily traffic
3,231
2023 count
Owner
State
State Highway Agency

About this bridge

SH 350 over IH 20 is a steel continuous stringer/multi-beam or girder carrying SH 350 over IH 20 in Howard County, Texas. It was built in 1964, so it is 61 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,231 vehicles a day, roughly 15% of them trucks, projected to reach 7,180 by 2033. The structure is 232 ft (70.7 m) long and 66 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesSH 350
CrossesIH 20
Location1.0 MI E of US 87
RouteState Highway 350
CountyHoward County
StateTexas
Coordinates32.26693, -101.47424
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length232 ft (70.7 m)
Longest span65 ft (19.8 m)
Deck width66 ft (20.1 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,231 (2023)
Projected traffic7,180 by 2033
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 350 over IH 20 built?

It was built in 1964, making it 61 years old in 2025.

What condition is SH 350 over IH 20 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does SH 350 over IH 20 carry?

About 3,231 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SH 350 over IH 20?

The structure is 232 ft (70.7 m) long with a longest span of 65 ft (19.8 m) and a deck 66 ft wide.

Who owns SH 350 over IH 20?

It is owned by the State Highway Agency.