US Bridges

Sister Grove RD over W Prong Sister Grove Ck

PoorPosted for load

Grayson County, Texas · 1.95 MI N of FM 121 · Structure no. 010920AA0210001

Built
1988
37 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
1 main span
Daily traffic
195
2023 count
Owner
County
County Highway Agency

About this bridge

Sister Grove RD over W Prong Sister Grove Ck is a steel stringer/multi-beam or girder carrying Sister Grove RD over W Prong Sister Grove Ck in Grayson County, Texas. It was built in 1988, so it is 37 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 195 vehicles a day, projected to reach 310 by 2030. The structure is 78 ft (23.8 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSister Grove RD
CrossesW Prong Sister Grove Ck
Location1.95 MI N of FM 121
RouteCounty Highway 0
StateTexas
Coordinates33.4549, -96.54928
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating51 US tons
Inventory rating30 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length78 ft (23.8 m)
Longest span37 ft (11.3 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic195 (2023)
Projected traffic310 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$29,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sister Grove RD over W Prong Sister Grove Ck built?

It was built in 1988, making it 37 years old in 2025.

What condition is Sister Grove RD over W Prong Sister Grove Ck in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Sister Grove RD over W Prong Sister Grove Ck carry?

About 195 vehicles per day (2023 count).

How long is Sister Grove RD over W Prong Sister Grove Ck?

The structure is 78 ft (23.8 m) long with a longest span of 37 ft (11.3 m) and a deck 23 ft wide.

Who owns Sister Grove RD over W Prong Sister Grove Ck?

It is owned by the County Highway Agency.