US Bridges

FM 489 over IH 45 Mls

Good

Freestone County, Texas · 9.04 MI S of US 84 · Structure no. 170820067502153

Built
1970
55 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
290 ft
2 main spans
Daily traffic
768
2023 count
Owner
State
State Highway Agency

About this bridge

FM 489 over IH 45 Mls is a prestressed concrete stringer/multi-beam or girder carrying FM 489 over IH 45 Mls 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 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 768 vehicles a day, roughly 9% of them trucks, projected to reach 1,075 by 2042. The structure is 290 ft (88.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 489
CrossesIH 45 Mls
Location9.04 MI S of US 84
RouteState Highway 489
StateTexas
Coordinates31.58638, -96.14996
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating20.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 15
Structure length290 ft (88.4 m)
Longest span100 ft (30.5 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic768 (2023)
Projected traffic1,075 by 2042
Trucks9%
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 FM 489 over IH 45 Mls built?

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

What condition is FM 489 over IH 45 Mls 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 October 2024.

How much traffic does FM 489 over IH 45 Mls carry?

About 768 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is FM 489 over IH 45 Mls?

The structure is 290 ft (88.4 m) long with a longest span of 100 ft (30.5 m) and a deck 28 ft wide.

Who owns FM 489 over IH 45 Mls?

It is owned by the State Highway Agency.