US Bridges

FM 1485 over Dry Creek

Fair

Montgomery County, Texas · 2.50 MI NW of US 59 · Structure no. 121700106203012

Built
1986
39 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
160 ft
4 main spans
Daily traffic
15,160
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1485 over Dry Creek is a concrete stringer/multi-beam or girder carrying FM 1485 over Dry Creek in Montgomery County, Texas. It was built in 1986, so it is 39 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 5 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 15,160 vehicles a day, roughly 6% of them trucks, projected to reach 15,650 by 2033. The structure is 160 ft (48.8 m) long and 54 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM 1485
CrossesDry Creek
Location2.50 MI NW of US 59
RouteState Highway 1485
StateTexas
Coordinates30.17795, -95.24384
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,160 (2023)
Projected traffic15,650 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1485 over Dry Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is FM 1485 over Dry Creek 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 2024.

How much traffic does FM 1485 over Dry Creek carry?

About 15,160 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is FM 1485 over Dry Creek?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 54 ft wide.

Who owns FM 1485 over Dry Creek?

It is owned by the State Highway Agency.