US Bridges

FM 485 over North Elm Creek Relief

Good

Milam County, Texas · 2.6 MI W of US 77 · Structure no. 171660026207125

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
2 main spans
Daily traffic
3,490
2023 count
Owner
State
State Highway Agency

About this bridge

FM 485 over North Elm Creek Relief is a prestressed concrete stringer/multi-beam or girder carrying FM 485 over North Elm Creek Relief in Milam County, Texas. It was built in 2020, so it is 5 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 3,490 vehicles a day, roughly 22% of them trucks, projected to reach 5,793 by 2042. The structure is 160 ft (48.8 m) long and 46 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM 485
CrossesNorth Elm Creek Relief
Location2.6 MI W of US 77
RouteState Highway 485
StateTexas
Coordinates30.93238, -97.02429
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length160 ft (48.8 m)
Longest span80 ft (24.4 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,490 (2023)
Projected traffic5,793 by 2042
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed9.9 mi (16 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 485 over North Elm Creek Relief built?

It was built in 2020, making it 5 years old in 2025.

What condition is FM 485 over North Elm Creek Relief 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 September 2024.

How much traffic does FM 485 over North Elm Creek Relief carry?

About 3,490 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is FM 485 over North Elm Creek Relief?

The structure is 160 ft (48.8 m) long with a longest span of 80 ft (24.4 m) and a deck 46 ft wide.

Who owns FM 485 over North Elm Creek Relief?

It is owned by the State Highway Agency.