Structure 151330019302010 · Kerr County, TX

SH 39 over Mystic Crossing

Carries SH 39 over Mystic Crossing, 5.0 Mi SW Of FM 1340.

Overall conditionFair

Set by its lowest-rated component: Culvert at 5 of 9.

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT136 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 136 ft across with 9 openings. 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, so those are drawn as typical for a culvert.

Built196660 years old
Length136.2 ft41.5 m
Daily traffic396counted 2020
Last inspectedJune 2024every 24 months

Location

StateTexas
CountyKerr
Location5.0 Mi SW Of FM 1340
CarriesSH 39
CrossesMystic Crossing
Coordinates30.01219, -99.37356

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length136.2 ft (41.5 m)
Max Span9.8 ft (3 m)
Deck Width30.8 ft (9.4 m)
Deck Area390.1 sq m
Main Spans9
Year Built1966

Traffic

Avg Daily Traffic396 (2020)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number151330019302010

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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