US Bridges

CR 320 over Yankee Branch

Good

Williamson County, Texas · 1.2 MI S of FM 972 · Structure no. 142460AA0247001

Built
1991
34 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
62 ft
2 main spans
Daily traffic
128
2020 count
Owner
County
County Highway Agency

About this bridge

CR 320 over Yankee Branch is a concrete stringer/multi-beam or girder carrying CR 320 over Yankee Branch in Williamson County, Texas. It was built in 1991, so it is 34 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 128 vehicles a day, projected to reach 400 by 2030. The structure is 62 ft (18.9 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 320
CrossesYankee Branch
Location1.2 MI S of FM 972
RouteCounty Highway 320
StateTexas
Coordinates30.73623, -97.51889
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span31 ft (9.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic128 (2020)
Projected traffic400 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 320 over Yankee Branch built?

It was built in 1991, making it 34 years old in 2025.

What condition is CR 320 over Yankee Branch 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 November 2023.

How much traffic does CR 320 over Yankee Branch carry?

About 128 vehicles per day (2020 count).

How long is CR 320 over Yankee Branch?

The structure is 62 ft (18.9 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns CR 320 over Yankee Branch?

It is owned by the County Highway Agency.