US Bridges

SH 179 over IH 45

Fair

Freestone County, Texas · 8.2 MI S of US 84 · Structure no. 170820067502152

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
2 main spans
Daily traffic
2,196
2023 count
Owner
State
State Highway Agency

About this bridge

SH 179 over IH 45 is a prestressed concrete stringer/multi-beam or girder carrying SH 179 over IH 45 in Freestone County, Texas. It was built in 1970, so it is 55 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 2,196 vehicles a day, roughly 15% of them trucks, projected to reach 2,723 by 2042. The structure is 300 ft (91.4 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 179
CrossesIH 45
Location8.2 MI S of US 84
RouteState Highway 179
CountyFreestone County
StateTexas
Coordinates31.59753, -96.154
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length300 ft (91.4 m)
Longest span100 ft (30.5 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,196 (2023)
Projected traffic2,723 by 2042
Trucks15%
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 179 over IH 45 built?

It was built in 1970, making it 55 years old in 2025.

What condition is SH 179 over IH 45 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 2024.

How much traffic does SH 179 over IH 45 carry?

About 2,196 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SH 179 over IH 45?

The structure is 300 ft (91.4 m) long with a longest span of 100 ft (30.5 m) and a deck 46 ft wide.

Who owns SH 179 over IH 45?

It is owned by the State Highway Agency.