US Bridges

CR 305 over IH 35 Ml

Good

Williamson County, Texas · 1.5 MI N of FM 487 · Structure no. 142460001508722

Built
2019
6 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
2 main spans
Daily traffic
164
2021 count
Owner
State
State Highway Agency

About this bridge

CR 305 over IH 35 Ml is a prestressed concrete stringer/multi-beam or girder carrying CR 305 over IH 35 Ml in Williamson County, Texas. It was built in 2019, so it is 6 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 164 vehicles a day, roughly 3% of them trucks, projected to reach 164 by 2041. The structure is 240 ft (73.2 m) long and 104 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 305
CrossesIH 35 Ml
Location1.5 MI N of FM 487
RouteCounty Highway 305
StateTexas
Coordinates30.8452, -97.595
Functional classRural Local

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 inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: 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 spans2
Design loadHL 93
Structure length240 ft (73.2 m)
Longest span120 ft (36.6 m)
Deck width104 ft (31.7 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164 (2021)
Projected traffic164 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 305 over IH 35 Ml built?

It was built in 2019, making it 6 years old in 2025.

What condition is CR 305 over IH 35 Ml 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 March 2023.

How much traffic does CR 305 over IH 35 Ml carry?

About 164 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is CR 305 over IH 35 Ml?

The structure is 240 ft (73.2 m) long with a longest span of 120 ft (36.6 m) and a deck 104 ft wide.

Who owns CR 305 over IH 35 Ml?

It is owned by the State Highway Agency.