US Bridges

FM 3406 over Georgetown RR CO Op

Good

Williamson County, Texas · 0.4 MI W of IH 35 · Structure no. 142460137806019

Built
1981
44 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
175 ft
1 main span
Daily traffic
14,670
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

FM 3406 over Georgetown RR CO Op is a prestressed concrete stringer/multi-beam or girder carrying FM 3406 over Georgetown RR CO Op in Williamson County, Texas. It was built in 1981, so it is 44 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 14,670 vehicles a day, roughly 5% of them trucks, projected to reach 20,538 by 2040. The structure is 175 ft (53.3 m) long and 46 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

Location

Open in Google Maps
CarriesFM 3406
CrossesGeorgetown RR CO Op
Location0.4 MI W of IH 35
RouteState Highway 3406
CountyWilliamson County
StateTexas
Coordinates30.53484, -97.69926
Functional classUrban Minor Arterial

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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span75 ft (22.9 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,670 (2020)
Projected traffic20,538 by 2040
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed39.1 mi (63 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$19,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM 3406 over Georgetown RR CO Op built?

It was built in 1981, making it 44 years old in 2025.

What condition is FM 3406 over Georgetown RR CO Op 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 December 2023.

How much traffic does FM 3406 over Georgetown RR CO Op carry?

About 14,670 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is FM 3406 over Georgetown RR CO Op?

The structure is 175 ft (53.3 m) long with a longest span of 75 ft (22.9 m) and a deck 46 ft wide.

Who owns FM 3406 over Georgetown RR CO Op?

It is owned by the City or Municipal Highway Agency.