US Bridges

IH 20 Ebml over Big Grindstone Crk

Fair

Parker County, Texas · 2.2 MI E of FM 113 · Structure no. 021840031401075

Built
1970
55 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
225 ft
3 main spans
Daily traffic
18,740
2023 count
Owner
State
State Highway Agency

About this bridge

IH 20 Ebml over Big Grindstone Crk is a prestressed concrete stringer/multi-beam or girder carrying IH 20 Ebml over Big Grindstone Crk in Parker County, Texas. It was built in 1970, so it is 55 years old, older 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 18,740 vehicles a day, roughly 38% of them trucks, projected to reach 15,620 by 2033. The structure is 225 ft (68.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 20 Ebml
CrossesBig Grindstone Crk
Location2.2 MI E of FM 113
RouteInterstate 20
StateTexas
Coordinates32.6965, -97.97329
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span75 ft (22.9 m)
Deck width42 ft (12.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,740 (2023)
Projected traffic15,620 by 2033
Trucks38%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 20 Ebml over Big Grindstone Crk built?

It was built in 1970, making it 55 years old in 2025.

What condition is IH 20 Ebml over Big Grindstone Crk 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 September 2024.

How much traffic does IH 20 Ebml over Big Grindstone Crk carry?

About 18,740 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is IH 20 Ebml over Big Grindstone Crk?

The structure is 225 ft (68.6 m) long with a longest span of 75 ft (22.9 m) and a deck 42 ft wide.

Who owns IH 20 Ebml over Big Grindstone Crk?

It is owned by the State Highway Agency.