US Bridges

Dallas Zoo Blvd over Cedar Creek

Fair

Dallas County, Texas · 0.2 MI S of IH 35E · Structure no. 1805709S3530001

Built
1997
28 years old
Condition
Fair
inspected November 2024
Type
Truss - Thru
Steel
Length
151 ft
1 main span
Daily traffic
1,000
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dallas Zoo Blvd over Cedar Creek is a steel truss - thru carrying Dallas Zoo Blvd over Cedar Creek in Dallas County, Texas. It was built in 1997, so it is 28 years old, younger 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 1,000 vehicles a day, projected to reach 1,800 by 2031. The structure is 151 ft (46 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDallas Zoo Blvd
CrossesCedar Creek
Location0.2 MI S of IH 35E
RouteCity Street 0
StateTexas
Coordinates32.74206, -96.81381
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length151 ft (46 m)
Longest span100 ft (30.5 m)
Deck width36 ft (11.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2011)
Projected traffic1,800 by 2031
Trucks0%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$8,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dallas Zoo Blvd over Cedar Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Dallas Zoo Blvd over Cedar 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 November 2024.

How much traffic does Dallas Zoo Blvd over Cedar Creek carry?

About 1,000 vehicles per day (2011 count).

How long is Dallas Zoo Blvd over Cedar Creek?

The structure is 151 ft (46 m) long with a longest span of 100 ft (30.5 m) and a deck 36 ft wide.

Who owns Dallas Zoo Blvd over Cedar Creek?

It is owned by the City or Municipal Highway Agency.