US Bridges

IH 20 Nfr over Little Grindstone Ck

Good

Parker County, Texas · 1.5 MI E of FM 1189 · Structure no. 021840031401004

Built
1933
92 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
773
2024 count
Owner
State
State Highway Agency

About this bridge

IH 20 Nfr over Little Grindstone Ck is a concrete tee beam carrying IH 20 Nfr over Little Grindstone Ck in Parker County, Texas. It was built in 1933, so it is 92 years old, older 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 773 vehicles a day, roughly 4% of them trucks, projected to reach 1,810 by 2033. The structure is 86 ft (26.1 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 20 Nfr
CrossesLittle Grindstone Ck
Location1.5 MI E of FM 1189
RouteState Highway 20
StateTexas
Coordinates32.71035, -97.93549
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length86 ft (26.1 m)
Longest span29 ft (8.7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic773 (2024)
Projected traffic1,810 by 2033
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 20 Nfr over Little Grindstone Ck built?

It was built in 1933, making it 92 years old in 2025.

What condition is IH 20 Nfr over Little Grindstone Ck 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 September 2024.

How much traffic does IH 20 Nfr over Little Grindstone Ck carry?

About 773 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is IH 20 Nfr over Little Grindstone Ck?

The structure is 86 ft (26.1 m) long with a longest span of 29 ft (8.7 m) and a deck 27 ft wide.

Who owns IH 20 Nfr over Little Grindstone Ck?

It is owned by the State Highway Agency.