Structure 180570009214239 · Dallas County, TX

IH 45 NB over Linfield St.

Carries IH 45 NB over Linfield St., 0.95 Mi N Of Loop 12.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT200 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

200 ft end to end: about 3 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built197551 years old
Length200.1 ft61 m
Daily traffic43,165counted 2023
Last inspectedNovember 2023every 24 months

Location

StateTexas
CountyDallas
Location0.95 Mi N Of Loop 12
CarriesIH 45 NB
CrossesLinfield St.
Coordinates32.71449, -96.75700

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length200.1 ft (61 m)
Max Span96.1 ft (29.3 m)
Deck Width66.6 ft (20.3 m)
Deck Area1238.3 sq m
Main Spans1
Year Built1975

Traffic

Avg Daily Traffic43,165 (2023)
Truck Traffic17%
Lanes On Bridge3
Lanes Under Bridge6

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number180570009214239

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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