US Bridges

US 59 over FM 1485

Good

Montgomery County, Texas · 3.75 MI S of FM 1485 · Structure no. 121700017705270

Built
2007
18 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
354 ft
3 main spans
Daily traffic
41,620
2010 count
Owner
State
State Highway Agency

About this bridge

US 59 over FM 1485 is a prestressed concrete stringer/multi-beam or girder carrying US 59 over FM 1485 in Montgomery County, Texas. It was built in 2007, so it is 18 years old, younger 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 41,620 vehicles a day, roughly 13% of them trucks, projected to reach 58,270 by 2030. The structure is 354 ft (107.9 m) long and 142 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 59
CrossesFM 1485
Location3.75 MI S of FM 1485
RouteU.S. Route 59
StateTexas
Coordinates30.15507, -95.21554
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length354 ft (107.9 m)
Longest span124 ft (37.8 m)
Deck width142 ft (43.4 m)
Roadway width138 ft (42.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,620 (2010)
Projected traffic58,270 by 2030
Trucks13%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$35,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 59 over FM 1485 built?

It was built in 2007, making it 18 years old in 2025.

What condition is US 59 over FM 1485 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 November 2022.

How much traffic does US 59 over FM 1485 carry?

About 41,620 vehicles per day (2010 count), of which roughly 13% are trucks.

How long is US 59 over FM 1485?

The structure is 354 ft (107.9 m) long with a longest span of 124 ft (37.8 m) and a deck 142 ft wide.

Who owns US 59 over FM 1485?

It is owned by the State Highway Agency.