US Bridges

FM 1486 over Mill Creek

Good

Montgomery County, Texas · 1.50 MI N of FM 1774 · Structure no. 121700141603020

Built
2006
19 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
165 ft
3 main spans
Daily traffic
6,650
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1486 over Mill Creek is a prestressed concrete slab carrying FM 1486 over Mill Creek in Montgomery County, Texas. It was built in 2006, so it is 19 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 6,650 vehicles a day, roughly 7% of them trucks, projected to reach 10,770 by 2036. The structure is 165 ft (50.3 m) long and 49 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM 1486
CrossesMill Creek
Location1.50 MI N of FM 1774
RouteState Highway 1486
StateTexas
Coordinates30.23824, -95.77051
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span55 ft (16.8 m)
Deck width49 ft (14.9 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,650 (2023)
Projected traffic10,770 by 2036
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1486 over Mill Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is FM 1486 over Mill Creek 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 August 2024.

How much traffic does FM 1486 over Mill Creek carry?

About 6,650 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FM 1486 over Mill Creek?

The structure is 165 ft (50.3 m) long with a longest span of 55 ft (16.8 m) and a deck 49 ft wide.

Who owns FM 1486 over Mill Creek?

It is owned by the State Highway Agency.