US Bridges

SH 176 over IH 20

Fair

Howard County, Texas · 0.9 MI W of US 87 · Structure no. 081150000505155

Built
1964
61 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
4 main spans
Daily traffic
1,170
2013 count
Owner
State
State Highway Agency

About this bridge

SH 176 over IH 20 is a steel continuous stringer/multi-beam or girder carrying SH 176 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 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 1,170 vehicles a day, roughly 42% of them trucks, projected to reach 1,470 by 2035. The structure is 232 ft (70.7 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 176
CrossesIH 20
Location0.9 MI W of US 87
RouteState Highway 176
StateTexas
Coordinates32.26035, -101.50406
Functional classUrban Minor 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
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 rating47 US tons
Inventory rating28 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length232 ft (70.7 m)
Longest span65 ft (19.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,170 (2013)
Projected traffic1,470 by 2035
Trucks42%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 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 176 over IH 20 built?

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

What condition is SH 176 over IH 20 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 June 2023.

How much traffic does SH 176 over IH 20 carry?

About 1,170 vehicles per day (2013 count), of which roughly 42% are trucks.

How long is SH 176 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 30 ft wide.

Who owns SH 176 over IH 20?

It is owned by the State Highway Agency.