US Bridges

FM 1486 over Indian Creek Relief

Fair

Montgomery County, Texas · 1.5 MI N of SH 105 · Structure no. 121700141602017

Built
1990
35 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
336 ft
4 main spans
Daily traffic
2,530
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1486 over Indian Creek Relief is a prestressed concrete stringer/multi-beam or girder carrying FM 1486 over Indian Creek Relief in Montgomery County, Texas. It was built in 1990, so it is 35 years old, younger 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 2,530 vehicles a day, roughly 10% of them trucks, projected to reach 3,542 by 2042. The structure is 336 ft (102.4 m) long and 49 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFM 1486
CrossesIndian Creek Relief
Location1.5 MI N of SH 105
RouteState Highway 1486
StateTexas
Coordinates30.38761, -95.78223
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy9: 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 spans4
Design loadHS 20
Structure length336 ft (102.4 m)
Longest span84 ft (25.6 m)
Deck width49 ft (15 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,530 (2023)
Projected traffic3,542 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed8.7 mi (14 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 Indian Creek Relief built?

It was built in 1990, making it 35 years old in 2025.

What condition is FM 1486 over Indian Creek Relief 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 September 2024.

How much traffic does FM 1486 over Indian Creek Relief carry?

About 2,530 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is FM 1486 over Indian Creek Relief?

The structure is 336 ft (102.4 m) long with a longest span of 84 ft (25.6 m) and a deck 49 ft wide.

Who owns FM 1486 over Indian Creek Relief?

It is owned by the State Highway Agency.