US Bridges

Sunnyside RD over Walnut Creek

PoorPosted for load

Robertson County, Texas · 3.8 MI N of FM 979 · Structure no. 171980AA0134001

Built
2001
24 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

Sunnyside RD over Walnut Creek is a steel stringer/multi-beam or girder carrying Sunnyside RD over Walnut Creek in Robertson County, Texas. It was built in 2001, so it is 24 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 4 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 10 vehicles a day, roughly 3% of them trucks, projected to reach 108 by 2042. The structure is 55 ft (16.8 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSunnyside RD
CrossesWalnut Creek
Location3.8 MI N of FM 979
RouteCounty Highway 123
StateTexas
Coordinates31.03626, -96.67072
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length55 ft (16.8 m)
Longest span52 ft (15.9 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic108 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sunnyside RD over Walnut Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Sunnyside RD over Walnut Creek 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 2023.

How much traffic does Sunnyside RD over Walnut Creek carry?

About 10 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Sunnyside RD over Walnut Creek?

The structure is 55 ft (16.8 m) long with a longest span of 52 ft (15.9 m) and a deck 18 ft wide.

Who owns Sunnyside RD over Walnut Creek?

It is owned by the County Highway Agency.