US Bridges

Mockingbird Lane over North Prong Creek

Fair

Ellis County, Texas · .33 MI E/Walnut Grove RD · Structure no. 180710D00400001

Built
2000
25 years old, rebuilt 2018
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
1,591
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mockingbird Lane over North Prong Creek is a steel stringer/multi-beam or girder carrying Mockingbird Lane over North Prong Creek in Ellis County, Texas. It was built in 2000 and reconstructed in 2018, so it is 25 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 1,591 vehicles a day, projected to reach 750 by 2035. The structure is 69 ft (21 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesMockingbird Lane
CrossesNorth Prong Creek
Location.33 MI E/Walnut Grove RD
RouteCity Street 0
CountyEllis County
StateTexas
Coordinates32.49544, -96.93635
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating50 US tons
Inventory rating34.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length69 ft (21 m)
Longest span39 ft (11.9 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,591 (2014)
Projected traffic750 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mockingbird Lane over North Prong Creek built?

It was built in 2000, making it 25 years old in 2025. It was reconstructed in 2018.

What condition is Mockingbird Lane over North Prong 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 December 2022.

How much traffic does Mockingbird Lane over North Prong Creek carry?

About 1,591 vehicles per day (2014 count).

How long is Mockingbird Lane over North Prong Creek?

The structure is 69 ft (21 m) long with a longest span of 39 ft (11.9 m) and a deck 25 ft wide.

Who owns Mockingbird Lane over North Prong Creek?

It is owned by the City or Municipal Highway Agency.