US Bridges

Grindstone Pct 3 over Big Grindstone

Fair

Parker County, Texas · 4.0 MI W of FM 1189 · Structure no. 021840AA0471001

Built
1991
34 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
151 ft
3 main spans
Daily traffic
160
2010 count
Owner
County
County Highway Agency

About this bridge

Grindstone Pct 3 over Big Grindstone is a steel continuous stringer/multi-beam or girder carrying Grindstone Pct 3 over Big Grindstone in Parker 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 160 vehicles a day, projected to reach 210 by 2029. The structure is 151 ft (46 m) long and 26 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesGrindstone Pct 3
CrossesBig Grindstone
Location4.0 MI W of FM 1189
RouteCounty Highway 0
CountyParker County
StateTexas
Coordinates32.66741, -98.002
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length151 ft (46 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2010)
Projected traffic210 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Grindstone Pct 3 over Big Grindstone built?

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

What condition is Grindstone Pct 3 over Big Grindstone in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does Grindstone Pct 3 over Big Grindstone carry?

About 160 vehicles per day (2010 count).

How long is Grindstone Pct 3 over Big Grindstone?

The structure is 151 ft (46 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Grindstone Pct 3 over Big Grindstone?

It is owned by the County Highway Agency.