US Bridges

Merrifield RD over Mountain Creek Trib

Fair

Dallas County, Texas · 0.60 MI N Mt Creek Pkwy · Structure no. 1805709M5030001

Built
1950
75 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
1,852
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Merrifield RD over Mountain Creek Trib is a concrete culvert carrying Merrifield RD over Mountain Creek Trib in Dallas County, Texas. It was built in 1950, so it is 75 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 1,852 vehicles a day, projected to reach 2,000 by 2031. The structure is 26 ft (7.9 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMerrifield RD
CrossesMountain Creek Trib
Location0.60 MI N Mt Creek Pkwy
RouteCity Street 157
CountyDallas County
StateTexas
Coordinates32.7301, -96.93091
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span7 ft (2.1 m)
Deck width40 ft (12.3 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,852 (2019)
Projected traffic2,000 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Merrifield RD over Mountain Creek Trib built?

It was built in 1950, making it 75 years old in 2025.

What condition is Merrifield RD over Mountain Creek Trib 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 April 2023.

How much traffic does Merrifield RD over Mountain Creek Trib carry?

About 1,852 vehicles per day (2019 count).

How long is Merrifield RD over Mountain Creek Trib?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2.1 m) and a deck 40 ft wide.

Who owns Merrifield RD over Mountain Creek Trib?

It is owned by the City or Municipal Highway Agency.