US Bridges

Old Millsap Pct 3 over TR Big Grindstone

Good

Parker County, Texas · 0.05 MI W of Newberry RD · Structure no. 021840AA0496003

Built
2005
20 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
369
2014 count
Owner
County
County Highway Agency

About this bridge

Old Millsap Pct 3 over TR Big Grindstone is a concrete culvert carrying Old Millsap Pct 3 over TR Big Grindstone in Parker County, Texas. It was built in 2005, so it is 20 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 369 vehicles a day, projected to reach 450 by 2029. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesOld Millsap Pct 3
CrossesTR Big Grindstone
Location0.05 MI W of Newberry RD
RouteCounty Highway 0
CountyParker County
StateTexas
Coordinates32.75778, -97.96805
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic369 (2014)
Projected traffic450 by 2029
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 Old Millsap Pct 3 over TR Big Grindstone built?

It was built in 2005, making it 20 years old in 2025.

What condition is Old Millsap Pct 3 over TR Big Grindstone 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 Old Millsap Pct 3 over TR Big Grindstone carry?

About 369 vehicles per day (2014 count).

How long is Old Millsap Pct 3 over TR Big Grindstone?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Old Millsap Pct 3 over TR Big Grindstone?

It is owned by the County Highway Agency.