US Bridges

Rock Island RD over Delaware Creek

Fair

Dallas County, Texas · 0.1 MI W of Oconnor Road · Structure no. 180570D07580001

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
88 ft
4 main spans
Daily traffic
4,669
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rock Island RD over Delaware Creek is a concrete continuous slab carrying Rock Island RD over Delaware Creek in Dallas 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 4,669 vehicles a day, roughly 3% of them trucks, projected to reach 9,840 by 2031. The structure is 88 ft (26.8 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRock Island RD
CrossesDelaware Creek
Location0.1 MI W of Oconnor Road
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.81469, -96.95207
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length88 ft (26.8 m)
Longest span22 ft (6.7 m)
Deck width53 ft (16.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,669 (2019)
Projected traffic9,840 by 2031
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$99,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rock Island RD over Delaware Creek built?

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

What condition is Rock Island RD over Delaware Creek 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 March 2023.

How much traffic does Rock Island RD over Delaware Creek carry?

About 4,669 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Rock Island RD over Delaware Creek?

The structure is 88 ft (26.8 m) long with a longest span of 22 ft (6.7 m) and a deck 53 ft wide.

Who owns Rock Island RD over Delaware Creek?

It is owned by the City or Municipal Highway Agency.