US Bridges

SH 310 NB over Five Mile Creek Rel Nn

Fair

Dallas County, Texas · 1.45 MI NW of IH 20 · Structure no. 180570009202046

Built
1948
77 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
3,884
2019 count
Owner
State
State Highway Agency

About this bridge

SH 310 NB over Five Mile Creek Rel Nn is a concrete continuous slab carrying SH 310 NB over Five Mile Creek Rel Nn in Dallas County, Texas. It was built in 1948, so it is 77 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 3,884 vehicles a day, roughly 4% of them trucks, projected to reach 3,550 by 2035. The structure is 80 ft (24.4 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 310 NB
CrossesFive Mile Creek Rel Nn
Location1.45 MI NW of IH 20
RouteState Highway 310
CountyDallas County
StateTexas
Coordinates32.68176, -96.73361
Functional classUrban Other Principal Arterial

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,884 (2019)
Projected traffic3,550 by 2035
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 310 NB over Five Mile Creek Rel Nn built?

It was built in 1948, making it 77 years old in 2025.

What condition is SH 310 NB over Five Mile Creek Rel Nn 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 2024.

How much traffic does SH 310 NB over Five Mile Creek Rel Nn carry?

About 3,884 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is SH 310 NB over Five Mile Creek Rel Nn?

The structure is 80 ft (24.4 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns SH 310 NB over Five Mile Creek Rel Nn?

It is owned by the State Highway Agency.