US Bridges

IH 45 SB over FM 80

Fair

Freestone County, Texas · 1.8 MI S of FM 246 · Structure no. 170820067501137

Built
1968
57 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
228 ft
3 main spans
Daily traffic
15,479
2019 count
Owner
State
State Highway Agency

About this bridge

IH 45 SB over FM 80 is a prestressed concrete stringer/multi-beam or girder carrying IH 45 SB over FM 80 in Freestone County, Texas. It was built in 1968, 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 15,479 vehicles a day, roughly 38% of them trucks, projected to reach 18,990 by 2033. The structure is 228 ft (69.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 45 SB
CrossesFM 80
Location1.8 MI S of FM 246
RouteInterstate 45
StateTexas
Coordinates31.86387, -96.31982
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,479 (2019)
Projected traffic18,990 by 2033
Trucks38%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 45 SB over FM 80 built?

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

What condition is IH 45 SB over FM 80 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 2022.

How much traffic does IH 45 SB over FM 80 carry?

About 15,479 vehicles per day (2019 count), of which roughly 38% are trucks.

How long is IH 45 SB over FM 80?

The structure is 228 ft (69.5 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns IH 45 SB over FM 80?

It is owned by the State Highway Agency.